Deca- | Define Deca- at Dictionary.com deca- a combining form meaning “ten,” used in the formation of compound words: decapod. Also, especially before a vowel, dec- . Expand < Greek deka-, combining form of déka ten ; cognate with Latin decem Dictionary.com Unabridged British Dictionary definitions for deca- Expand denoting ten: decagon. In conjunction with scientific units the symbol da is used Word Origin Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Word Origin and History for deca- Expand before a vowel, dec-, word-forming element meaning "ten," from Latinized comb. form of Greek deka "ten" (see ten ).

In the metric system, "multiplied by ten;" while deci- means "divided by ten." Online Etymology Dictionary, © 2010 Douglas Harper Numerical Adjectives, Greek and Latin Number Prefixes *duodecilateral duodecillion So far, so good. We can see that there are a few exceptions to the general rule, particularly for the numbers 1 and 2, and in some cases such as "quinary / quinquenary" where multiple forms exist. Since I'm not being hardline about "proper" forms, I'm including all the forms normally used, even when they don't strictly follow the rules. Up to 12, the Latin prefixes hold up pretty well; most of the forms exist; only "sexilateral", of all the hypotheticals, is less than nine. My theory is that it sounds too lewd to have been adopted as the term for something with six sides. Well enough, then.

Let's turn to the Greek prefixes (mono, di, tri ...), which are used for the following categories: number of angles of plane figures "-gon" number of faces of solid figures "-hedron" number of angles in a shape or line "-angle" number of rulers in a government "-archy" number of meters in a poetic verse"-meter" number of objects in a group "-ad" number of events in an athletic competition "-athlon" less common categories: numbers of syllables in words "-syllabic"; sets of books or other works "-logy"; number of fingers "-dactylic"; number of languages spoken "-glot"; number of parts "-merous"; number of columns "-style"; amount of carbon in many chemical molecules "-ane", "-ene", "-yne". And now, Table 2 shows us the Greek numeral words and prefixes in conjunction with the appropriate suffixes for the above categories. Table 2: Greek-Prefixed Numerical Words Numeral dodecad(e) *dodecathlon The situation with the Greek terms is a little more complex than with the Latin, but not excessively so. Latin prefixes are used for some words for polygons, although the Greek prefix is to be preferred.

"Biathlon" should, by all rights, be "diathlon", "triangle" is used for a plane figure as well as angles (instead of 'triagon'), and there are very few terms for 1 and 2. Of course, this is partly because there's no such thing as a two-faced polyhedron, and not much point in describing a single athletic event as a "monathlon" ... So far, we've stuck to the numbers 1 through 12. We have pretty solid sequences of words, although the words relating to 9 and 11 are, to be fair, extremely rare. But moving to the teens, decades, 100 and 1000, the words become much more sparse. Still, given the right adjectives and a little creativity, we can construct many hypothetical words that should be understandable. Table 3 lists the higher Latin numbers and prefixes. I'll stick to listing the numerical bases and adjectives of relation, and let you figure out the rest on your own, on the pattern described above.

Most of the other terms aren't found in dictionaries (how often do you need to describe something that recurs every 60 years?), with the exception of those for 20, where terms like vicennial and vigintillion are sometimes used. To wit: Table 3: Latin Numerical Words: 13 to 1000 Numeral millesimal millenary Now, things get complicated. For the teens, things are made complex by the fact that instead of "duodeviginti" (literally 'two-from-twenty') and "undeviginti" ('one-from-twenty') for 18 and 19, the prefixes for them are 'decennoct' (ten-eight) and 'decennov' (ten-nine). And, what's this? Hexadecimal, not "sexadecimal"? "Hex-" is Greek, which goes against the rule set for all the other bases. I suspect, again, that prudishness has led to "hexadecimal" getting the nod over "sexadecimal". Actually, other than "hexadecimal", all these words for 13 through 19 are extremely rare to non-existent, so it might be best to just forget about them.

Moving on to the decades, most of these are also quite rare. However, many nouns exist, derived from the appropriate adjectives of relation, which identify a person of a particular age; "octogenary" becomes "octogenarian" - someone in their eighties. For the higher Greek numbers, there's almost no evidence in English for the use of these words, but mathematicians sometimes need words for polygons and solid figures, so here are the appropriate prefixes and words for 13-20, 100 and 1000. Table 4: Greek Numerical Words: 13 to 1000 Numeral chiliagon chiliahedron The ancient Greek teens all contain the conjunction kai "and", but except for 13 and 14, the prefixes used in English normally omit it. All of the words in Table 4 are very rare (if they are found at all), except for icosahedron. Note that in modern Greek, the numerals for the teens are different than the ancient forms, reversing triskaideka to dekatreis, tettares kai deka to dekatettares, and so on.

Curiosities Now that I've outlined some of the basic features and rules to allow you to construct your own numerical words on the basis of those outlined here, I've compiled a triskaidecad of unusual facts and trivia relating to this very interesting topic. The five perfectly regular solid figures are the tetrahedron, hexahedron, octohedron, dodecahedron and icosahedron (4, 6, 8, 12 and 20 sides, respectively). These five, along with the decahedron (10 sides), are the shapes of the dice most commonly used in role-playing games . However, the triacontahedron (30-sided die) is sometimes used, and I've also seen a heptahedron (7-sided die). There's even a 100-sided die, or hecatohedron, though it goes by the trademarked name of Zocchihedron after its inventor. It has so many sides that it's basically a sphere, which means that it has the annoying tendency to roll off flat surfaces.

The term decennoval (of or pertaining to 19), though now quite obsolete, was, of all the "teen" words, rather more common in earlier times. The reason for this is that, when calculating the date of Easter (a important and controversial task of medieval clergy), one uses the Metonic cycle - the fact that the moon's phases will recur on the same days every 19 years. English has two entirely distinct words to refer to the belief of some Christians that the Apocalypse will come at or around the millennium (an important thing to keep in mind at this point in history). The first is millenarian, derived from the Latin millenarius (of a thousand), and closely related to millenary shown in Table 3. The second is chiliastic, taken from the Greek word for 1000, as described in Table 4. Despite their differing etymologies, millenarian and chiliastic are essentially synonymous. For an unusual poem I've written on the topic, check out this page . You may have noticed a resemblance between the word duodenary (relating to twelve) and the duodenum (a portion of the small intestine).

This is not a coincidence; the duodenum was originally known as the intestinum duodenum digitorum "intestine of twelve fingers", because it was perceived to be about twelve fingersbreadth in length by the medieval anatomists who named it in the 14th century while mucking around with corpses. It is curious that, although words exist for people in their forties (quadragenarian) through one hundreds (centenarian), we must construct words for those in their twenties and thirties (vicenarian and tricenarian, respectively). This pattern is quite the opposite than that for most of these series of words, where there are words for lower but not for higher numbers. Probably, this is because these terms are words of respect, and it's no great feat to reach 20 or 30. A quick look on search engines will show that quadragenarian is the rarest of these terms, with word frequency increasing up to octogenarian, then decreasing thereafter. This probably reflects the increased esteem accorded to those up to their eighties, but then, life expectancies being what they are, a decrease in frequency for nonagenarian and centenarian because few people reach such great ages.

The largest musical grouping I could find to which a "-tet" name is assigned is a "brass duodectet" arrangement of Gabrieli's Canzon Noni Toni in Twelve Voices. Since this is the only place where the word's ever been used (to my knowledge), it hasn't shown up in any dictionaries yet. Incidentally, the smallest number of players required for a jazz band to "officially" qualify as a "big band" is 10, or a dectet. However, I don't believe there is a Bureau of Big Band Nomenclature to clamp down on violations of this rule ... In addition to "centennial" and "millennial", normally used for the 100th and 1000th anniversaries of events, one may add the series of Latin prefixes for 2 through 9 above to either word to indicate 200th through 900th (or, more rarely, 2000th through 9000th) anniversaries. But some people can't wait 100 years to celebrate.

In North America in the late 19th century, when many cities, churches, etc., were over 100 years old but not yet 200, the term sesquicentennial (150th anniversary) was coined (from Latin sesqui-, of the ratio of 3 to 2). Even fifty years was too long for the town of Delavan, Tazewell County, Illinois, whose leaders consulted Funk and Wagnall's in 1962 for a word for a 125th anniversary, and were told that quasquicentennial, an irregular formation from Latin quadrans, one-quarter, might do, but that it wouldn't get into the dictionary until it became more regular. It's now in the Oxford English Dictionary, and has been used quite a few times since, mainly in the American Midwest. Many Christian churches celebrate a series of yearly events: Septuagesima, Sexagesima, Quinquagesima and Quadragesima, on the successive Sundays roughly 70, 60, 50 and 40 days prior to Easter, respectively. Quadragesima marks the beginning of Lent, which lasts forty days.

Much of English poetic literature prior to the modern era was written in iambic pentameter, in which each line of verse contains five sets of "short-long" syllables. You will have no doubt encountered iambic pentameter, because both Chaucer's Canterbury Tales as well as most of Shakespeare's output is written in this meter. While we normally think of English numbers as purely decimal (and this is certainly true of our positional digital numbers), in fact the situation is more complex. For most people, the series (thousand, million, billion, trillion ...) proceeds in multiples of 1000; that is, there are special words for exponents of 1000 just as there are for exponents of 10 (ten, hundred, thousand), but not for 10000 or 100000. Thus, we might properly say that our numerals have both a decimal and a millesimal (or perhaps millenary) base.

The situation is more complex because, traditionally, the British say "milliard" for 109 where Americans say "billion", "billion" for 1012 where Americans say "trillion", and "trillion" for 1018 where Americans say "quintillion". This system is decimal, millesimal (because there are special words for 1000 and 1,000,000) and millimillesimal (if I can coin a word for a base of 1,000,000). Fortunately, the British seem to be moving towards the usage preferred in most of the rest of the world. I say 'fortunately', not because I have any great love of American influence, but because in this case, it simplifies the system greatly. If anyone cares, "centesimal" is an anagram of "lemniscate", a mathematical term referring to the locus of the foot of the perpendicular from the center of a conic upon the tangent. If you know what that means, you may be impressed that it has a numerical anagram.

One of the most peculiar numeral words in English is "zenzizenzizenzic", which means "the eighth power of a number", as in "The zenzizenzizenzic of 2 is 256". It was used only once in English, in Robert Recorde's The Whetstone of Wit (1557). It is derived from an equally-obsolete "zenzic", which referred to the square of a number. It is the only English word with six Zs, and is thus, if I may be allowed to coin a term, hexazetic. I would be remiss if I didn't mention one of the most common phobias in the Western world, triskaidekaphobia, the fear of the number 13. It's also spelled "triskaidecaphobia", reflecting the tendency in Greek numerical prefixes to change the letter k to c. I hope you have found this site to be useful. If you have any corrections, additions, or comments, please contact me . Please note that I am not able to respond to all requests. Please consult a major dictionary before e-mailing your query.

All material on this page © 1996-2014 Stephen Chrisomalis. Links to this page may be made without permission. Index-a Don't Forget To Hit <ESC> before going to a different page. Let's play a game of 30 questions. No, not that old standard of 20 questions, but one with an extra 10 questions added in and one that uses numeric answers (from 1 to 30). If you get stumped, go on to the next one. Perhaps the answer you need will be one of those left over when you complete all the questions you're sure of. Each answer is a number. The answers are the numbers 1-30. Each number appears only once. (Obviously) the questions are not in the right order.. 1. Aside from an extra 385 yards, how many miles is a marathon race? 2. If 27 solid cubes are formed into one big 3x3x3 cube how many individual cubes, at most, are visible from any single angle? 3. In the movie Spinal Tap what number is: "Well, it is one louder.."? 4.

'Via Dolorosa' is the (how many) Stations of the Cross, the Christian ritual tracing the key stages of the death of Jesus, beginning with his condemnation and ending with his being laid in the tomb? 5. How many dots are on a (standard 1-6) die? 6. The Russian 'Crimea Highway' trunk road from Moscow to the Crimea in Ukraine is the M (what)? 7. What number, between two hyphens, is used by journalists, etc., to mark the end of a newspaper or broadcast story? 8. How many unique dominoes are in a standard 'double six' set? 9. What number turned on its side (rotated 90 degrees) is the symbol for infinity? 10. The Marvel Comics superhero team led by Mr Fantastic was the Fanstastic (what)? 11. What is the larger number of the binary system? 12. Japanese haiku poems loosely comprise how many syllables? 13. The Tropics of Cancer and Capricorn are respectively (what number)-and-half degrees north and south of the Equator? 14. What number is Hurricane on the Beaufort Scale? 15.

Greek deka, and Latin decem, are what number? 16. Conventionally how many books are in the Bible's New Testament? 17. How many legs (or arms) are most usually on a starfish? 18. A lunar month is an average (how many) days plus 12 hours, 44 minutes and 3 seconds? 19. 'Roaring' refers to what pluralised number in describing a 1900s decade of western world prosperity? 20. Traditionally what number of years anniversary is symbolized by silver? 21. What is generally stated to be the number of major joints in the human body? 22. What number is the French coded slang 'vingt-deux!', which warns that police are coming? 23. What is the only number that equals twice the sum of its digits (digit means numerical symbol)? 24. The early/mid-1900s American vaudeville comedy act was called the (how many) Stooges? 25. Any line of three numbers in the 'magic square' (a 3 x 3 grid of the numbers 1-9) adds up to what? 26.

What is the international SPI resin/polymer identification coding system number (typically shown within a recycling triangle symbol) for polystyrene? 27. Traditionally the diameter of the 45rpm gramophone record is (how many) inches? 28. Pure gold is (how many)-carat? 29. The expression 'On cloud (what)' refers to being blissfully happy? 30. Each player begins with (how many) pieces in a game of chess? Daniel David "Danny" Kirwan (born 13 May 1950) is a British musician whose greatest success came with his role as guitarist, singer and songwriter with the blues-rock band Fleetwood Mac between 1968 and 1972. Kirwan's first recorded work with the band was on the huge instrumental hit single "Albatross". Green later stated that, "I would never have done "Albatross" if it wasn't for Danny. I would never have had a number one hit record." The B-side of the single was Kirwan's first published tune, the instrumental "Jigsaw Puzzle Blues".

This was an old clarinet piece, written by Joe Venuti and Adrian Rollini, and recorded by the Joe Venuti / Eddie Lang Blue Five in 1933. Kirwan had adapted the piece for himself and Green to play on guitar, but Green remembered, "I couldn't do it properly... My style wasn't all that satisfactory to Danny, but his style wasn't all that satisfactory to me." So Kirwan played all the guitar parts himself. . Deca- - definition of deca- by The Free Dictionary Deca- - definition of deca- by The Free Dictionary Also found in: Medical , Encyclopedia , Wikipedia . deca- or dec- also deka- or dek- pref. [Greek deka-, from deka, ten; see dekm̥ in the Appendix of Indo-European roots.] deca- (Mathematics) denoting ten: decagon. In conjunction with scientific units the symbol da is used [from Greek deka] a combining form meaning “ten”: decapod. Also, esp. before a vowel, dec-. [< Greek deka-, comb. form of déka ten ; c.

Latin decem] deca- A prefix that means "ten," as in decahedron, a polygon having ten faces. deca- Prefix meaning ten in the metric system; e.g., a decameter is a measure of length equal to 10 m. Want to thank TFD for its existence? Tell a friend about us , add a link to this page, or visit the webmaster's page for free fun content . Link to this page: ebb References in periodicals archive ? As such, the continued use of the highly-effective flame retardant Deca- BDE is allowed in electronics and electronic products in the European Union, and the use of Deca-BDE product is not restricted anywhere in the world. Copyright © 2003-2017 Farlex, Inc Disclaimer All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.

ten - definition of ten in English | Oxford Dictionaries Definition of ten in English: ten 1Equivalent to the product of five and two; one more than nine; 10: ‘the last ten years’ ‘the house comfortably sleeps ten’ ‘a ten-foot shrub’ More example sentences ‘She can live like this another five or ten years.’ ‘The food store had enough food in it to comfortably feed the five of them for ten years.’ ‘Nine times out of ten when we played each other, they would beat us.’ ‘One minute of laughing is equivalent to ten minutes on a rowing machine.’ ‘He scored ten goals in nine games.’ ‘They just don't have time to go to five or ten different shops.’ ‘Most courses run for between nine and ten weeks.’ ‘He was said to be around five feet ten inches tall.’ ‘Remove the meat and allow to cool for five to ten minutes.’ ‘I looked at him impassively for about five or ten seconds.’ ‘Residents have lost between five and ten feet from their gardens.’ ‘She always sleeps nine or ten hours the night before the race.’ ‘Toxicology tests will take between five and ten days.’ ‘Cook the cookies until the glaze is set, which should

 be for five to ten minutes.’ ‘When I survey the parking lot, there are maybe five to ten spots vacant.’ ‘The park is staffed for nine to ten hours a day, six days a week.’ ‘Clients may choose between promotional plans for three, five and ten years.’ ‘A good article should be just as relevant five or ten years after it is published.’ ‘As always at this time of the year, he takes nine or ten weeks off.’ ‘Leave in the tin for five to ten minutes, then remove and serve.’ 1.1 A group or unit of ten people or things: ‘count in tens’ ‘People count by tens and machines count by twos.’ ‘A couple lost tens of thousands of pounds after their close friend admitted fraud.’ ‘Tens of thousands of people poured onto the streets to topple a corrupt regime.’ ‘They are the first ten of several dozen commandments delivered to Moses.’ ‘It's rather odd that time just isn't counted in tens.’ ‘Over the past few decades tens of thousands of Irish farming families have been forced off the land.’ ‘Huge sea turtles numbering in the tens of millions flourished in the Caribbean.’ ‘As the herd is driven slowly past, one man counts the animals in

 tens while the other writes down the numbers.’ ‘There is more than enough food in the world to feed everyone, yet tens of thousands of people are starving.’ ‘The Romans represented units, tens, hundreds, and thousands as separate items in their numbers.’ ‘If you apply that cost to tens of thousands of devices, you can see the impact.’ ‘The opinions of tens of thousands of other scientists don't count, because they're all biased.’ ‘It is the favoured destination for tens of thousands of couples.’ ‘Companies competed for tens of thousands of new customers.’ ‘Cattle numbers plummeted from tens of thousands to mere hundreds.’ ‘We have increased by tens of thousands the number of surgical procedures being carried out in this country.’ ‘People were trickling across, but in the dozens rather than tens of thousands.’ ‘Crowds that numbered in their tens of thousands were standing outside the cathedral chanting his name.’ ‘His army numbers in the tens of thousands.’ ‘Police chiefs said closing the unit would save taxpayers tens of thousands of pounds.’ Synonyms ‘the boy was no more than ten’ More example sentences ‘All boys and girls under ten years of age are welcome to participate.’ ‘It was amazing to observe how she entertained the children, who ranged in age from

 three to ten years old.’ ‘She will now lead the activities for girls aged from seven to ten in the Brownies.’ ‘A witness had seen a youth, perhaps aged as young as ten or 11, acting suspiciously.’ ‘The couple have eight children from their previous marriages, ranging in age from ten to 18.’ ‘She has sons aged ten and six.’ ‘Membership is open to girls between the ages of seven and ten years of age.’ ‘The riders are all ages, some maybe under ten years of age.’ ‘The club hopes to expand membership particular among girls and players aged under ten years old.’ ‘Athletes must be ten years of age in order to run in the Championship events.’ ‘She was a single mother of two children aged ten and eleven-years-old.’ ‘She began her piano studies at the age of ten.’ ‘I'd put their ages at eight and ten.’ ‘Mr Wilson got his first camera when he was about nine or ten.’ ‘They would go canoeing at a time when the children were all under the age of ten.’ ‘Members organised a fancy dress Hallowe'en party for children under ten years of age in the community centre.’ ‘My eldest grandson, aged ten, was my golf partner.’

 ‘In her car were six or seven children, all between the ages of ten an thirteen.’ ‘At about age ten, you and the family set sail for Perth.’ ‘The courses are usually attended by groups of youngsters - some aged as young as ten.’ 1.3 Ten o'clock: ‘At ten o'clock sharp every night he would go to a bar or a club.’ ‘The next train to Cambridge did not leave until ten o'clock the following morning.’ ‘She works from eight o'clock in the morning to ten o'clock at night, six days a week.’ ‘They had to work until ten o'clock at night.’ ‘It was about ten o'clock yesterday evening when the bell tolled.’ ‘It was ten o'clock at night, but there wasn't much chance of a rest.’ ‘Glancing at his watch, he realized that it was almost ten o'clock.’ ‘Hitting the alarm clock he saw it was ten o'clock in the morning.’ ‘It was ten o'clock on a Friday night, and I could think of better places to be.’ ‘Arriving back by ten o'clock, we went straight to the sitting room and sat on the sofa.’ ‘At ten o'clock tonight I cruised home on the back of a scooter

 taxi.’ ‘As we plodded out into the garden about ten o'clock this evening, a thin layer of dark cloud drifted across from the south-east.’ ‘I started out this morning at ten o'clock.’ ‘The ceremony continued from four in the morning to ten at night.’ ‘At ten o'clock, they went back to their rooms and said good night to each other.’ ‘Shortly after ten o'clock the sound of trumpets could be heard outside the house.’ ‘After ten o'clock in the evening there were not many people out on the streets.’ ‘The party started in the afternoon and continued until ten o'clock the next morning.’ ‘That night, around ten in the evening, he sent me a message.’ ‘Ben was due to fly out that night at ten o'clock.’ 1.4 A size of garment or other merchandise denoted by ten.

Example sentences ‘I was attractive, a size ten and got a lot of attention.’ ‘I like to use a size twelve hook, though Lee prefers a size ten.’ ‘I could wear my size ten and twelve clothes a week after my first daughter was born.’ ‘It hadn't been easy to find high heels in a size ten.’ ‘I used to be very pretty and could fit into anything that was a size ten.’ 1.5 A ten-pound note or ten-dollar bill: ‘he took the money in tens’ More example sentences SI prefixes for decimal multiples SI prefixes for decimal multiples There are 20 internationally accepted prefixes to denote 10n multiples of units.

10 of these prefixes denote (n>0) multiples, and other 10 denote (n<0) submultiples: SI Prefixes for decimal multiples Number 1 000 000 000 000 000 000 000 000 1024 1 000 000 000 000 000 000 000 1021 1 000 000 000 000 000 000 1018 1 000 000 000 000 000 1015 1 000 000 000 000 1012 0.000 000 000 000 001 10-15 0.000 000 000 000 000 001 10-18 0.000

 000 000 000 000 000 001 10-21 0.000 000 000 000 000 000 000 001 10-24 yocto y Each prefix is represented by its own symbol.

The symbols are case sensitive. Thus, m means milli and M means mega. Prefixes ranging from milli to kilo were first introduced in 1793 by the French Academy of Sciences under direction of French National Assembly as part of the Metric System. Greek prefixes were used for multiples of 10 and Latin prefixes for submultiples of 10. In 1874 BAAS adapted these prefixes as part of their CGS system, and added prefixes micro and mega. Later, 12 prefixes ranging from pico to tera were defined as part of the International System of Units — SI , which was adopted in 1960. SI is maintained by BIPM under exclusive supervision of CIPM and resolutions made by CGPM . Further 8 prefixes were added to SI in years 1964 (femto, atto), 1975 (peta, exa) and 1991 (zetta, zepto, yotta, yocto).

The prefixes have the following etymology: exa — alteration of hexa from Greek hex meaning “six” (the sixth power of 103) peta — alteration of penta from Greek pente meaning “five” (the fifth power of 103) tera — from Greek teras meaning “monster” giga — from Greek gigas meaning “giant” mega — from Greek megas meaning “great” kilo — from Greek khilioi meaning “thousand” hecto — French, alteration of Greek hekaton meaning “hundred” deca — from Greek deka meaning “ten” deci — from Latin decimus meaning tenth, from decem meaning “ten” centi — from Latin centi-, from centum meaning “hundred” milli — from Latin mille meaning “thousand” micro — from Greek mikros meaning “small” nano — from Greek nannos meaning “dwarf” pico — from Spanish pico meaning “small quantity” femto — from Danish, or Norwegian word femten meaning “fifteen” atto — from Danish, or Norwegian word atten meaning “eighteen” The names zepto and zetta are derived from septo, from

 Latin septem which means seven (the seventh power of 103) and the letter ‘z’ is substituted for the letter ‘s’ to avoid the duplicate use of the letter ‘s’ as a symbol in SI .

The names yocto and yotta are derived from Latin octo which means eight (the eighth power of 103); the letter ‘y’ is added to avoid the use of the letter ‘o’ as a symbol because it may be confused with the number zero. The CGPM has decided to name the prefixes, starting with the seventh power of 103, with the letters of the Latin alphabet, but starting from the end. Therefore the choice of letters ‘z’ and ‘y’. The initial letter ‘h’ of the word hexa in standard French is silent, so it was removed in order to simplify things. Ten | Define Ten at Dictionary.com ten a cardinal number, nine plus one. 2. a symbol for this number, as 10 or X. 3. a set of this many persons or things. 4. a playing card with ten pips. 5. She had two tens and a five in her purse. 6. Also called ten's place . Mathematics. (in a mixed number) the position of the second digit to the left of the decimal point. (in a whole number) the position of the second digit from the right. adjective amounting to ten in number.

Idioms take ten, Informal. to rest from what one is doing, especially for ten minutes. Origin of ten Old English 900 before 900; Middle English ten(e), tenn(e), Old English tēn(e), tīen(e); cognate with Dutch tien, German zehn, Old Norse tīu, Gothic taihun, Latin decem, Greek déka, Sanskrit daśa ten. 10 1. the upper end of a rating scale, with 10 indicating the best or a perfect score: That new novel is wonderful—I'd rate it a 10. Dictionary.com Unabridged Examples from the Web for ten Expand Contemporary Examples “The main hospital was destroyed ten days ago by rockets,” says Abdi. En Route J.-K. (Joris-Karl) Huysmans I did not give the other steamer the credit of making more than ten knots an hour. British Dictionary definitions for ten Expand noun 1. the cardinal number that is the sum of nine and one. It is the base of the decimal number system and the base of the common logarithm See also number (sense 1) 2.

a numeral, 10, X, etc, representing this number 3. something representing, represented by, or consisting of ten units, such as a playing card with ten symbols on it 4. Also called ten o'clock. ten hours after noon or midnight determiner amounting to ten: ten tigers (as pronoun): to sell only ten related adjective decimal prefixes deca- deci- Word Origin Old English tēn; related to Old Saxon tehan, Old High German zehan, Gothic taihun, Latin decem, Greek deka, Sanskrit dasa Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Word Origin and History for ten Expand n. Old English ten (Mercian), tien (West Saxon), from Proto-Germanic *tekhan (cf.

Old Saxon tehan, Old Norse tiu, Danish ti, Old Frisian tian, Old Dutch ten, Dutch tien, Old High German zehan, German zehn, Gothic taihun "ten"). The Germanic words are from PIE *dekm (cf. Sanskrit dasa, Avestan dasa, Armenian tasn, Greek deka, Latin decem, Old Church Slavonic deseti, Lithuanian desimt, Old Irish deich, Breton dek, Welsh deg, Albanian djetu "ten"). Tenner "ten-pound note" is slang first recorded 1861; as "ten-dollar bill," 1887 (ten-spot in this sense dates from 1848). The ten-foot pole that you wouldn't touch something with (1909) was originally a 40-foot pole; the idea is the same as the advice to use a long spoon when you dine with the devil. Ten-four "I understand, message received," is attested in popular jargon from 1962, from use in CB and police radio 10-code (in use in U.S.

by 1950). Online Etymology Dictionary, © 2010 Douglas Harper Deci- - definition of deci- by The Free Dictionary Deci- - definition of deci- by The Free Dictionary pref. One tenth (10-1): deciliter. [French déci-, from Latin decimus, tenth, from decem, ten; see dekm̥ in the Appendix of Indo-European roots.] deci- (Units) denoting one tenth; 10–1: decimetre. Symbol: d [from French déci-, from Latin decimus tenth] deci- a combining form used initially in the names of units of measurement that are one tenth the size of the unit denoted by the second element of the compound: decibel; deciliter. (Latin decimus tenth] A prefix that means "one tenth," as in deciliter, one tenth of a liter. deci- Prefix meaning 1⁄10 in the metric system; e.g., a deciliter (dl) is a measure of liquid volume equal to 1⁄10 (0.01) litre.

ten number - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com jump to other results 10 There are examples of how to use numbers at the entry for five. Word Origin Old English tēn, tīen, of Germanic origin; related to Dutch tien and German zehn, from an Indo-European root shared by Sanskrit daśa, Greek deka, and Latin decem.Idioms ten out of ten (for something) vocabularyassignment11 - www vocabularyassignment11 Name: ________________________________ 1. A decade is ten years. This word is built on Greek deka, _________________. [K in a Greek root becomes c in English words.] 2. Decalogue is another word for the _________________ commandments. 3. Boccaccio’s Decameron (published way back in 1353) was so titled because it was composed of stories supposedly told by Florentines whiling away [how many?] _________________ days during a plague. 4. The _________________ of the 1960’s was one of very high employment in America. 5.

The _________________ of the 1920;s was one of wild stock population; the _________________ of the thirties, economic depression; the _________________ of the forties, war and prosperity; the _________________ of the fifties, conformity to the establishment; the _________________ of the sixties, nonconformism, riots in the cities, violence on college campuses; the _________________ of the seventies, double-digit inflation. 6. Greek deka is _________________; Greek gonia, as in octagon, is _________________. 7. So, a decagon is a geometric figure of _________________ angles (or sides). 8. Greek penta, five, plus gonia, angle, combine to form the English word pentagon, a geometric figure of _________________ angles (or sides). 9. The famous _________________ that houses the Department of Defense (in the U.S.) is so called because it is a building of five sides. 10. The adjective form of octagon is octagonal. Write the adjective form of pentagon: _________________. 11. Ten is deka in Greek, decem in Latin.

Built on Latin decem, December was the _________________ month in the early Roman calendar (before they started fooling with it to include July and August); and the decimal system is based on the number _________________. 12. We know that Latin centum, as in centipede and centennial, means _________________. 13. So if a septuagenarian is in the [use figures for all the blanks in this question] _________________s, an octogenarian in the _________________s, and a nonagenarian in the _________________s, then a centenarian must have reached the golden age of _________________. 14. Octogenarians are no longer very rare; but _________________s are so nearly unique that when they reach that magic age of 100, there is an item in the hometown newspaper plus a picture, and the inevitable questions: “What do you attribute your survival to?” 15. Now to recapitulate the age brackets, people in their 70’s: _________________, 80’s _________________, in their 90’s _________________, and finally, when they reach 100 they are _________________.

16. Podiatrist is built on Greek pod-, _________________. 17. Chiropodist is built on Greek cheir (chiro-), _________________, plus pod-, _________________. 18. Chirography is built on cheir (chiro-), _________________, plus graphein, to _________________. 19. Octopus is built on Greek okto, _________________, plus pous, _________________. 20. Decade is built on Greek deka, _________________ 21. Octogenarian is built on Latin octoginta, _________________; septuagenarian on septuaginta, _________________, nonagenarian on nonaginta, _________________. 22. Decagon is built on Greek deka, _________________, plus gonia, _________________. 23. Pentagon is built on Greek penta, _________________, plus gonia, _________________. 24. December and decimal are built on Latin decem, _________________. 25. Centenarian is built on Latin centum, _________________.

SAY THE FOLLOWING WORDS OUT LOUD THINK WITH THE WORDS! 1. Before 1868 (when the first commercial typewriter was invented), people versed in penmanship, or to use the more elegant term, c_______________, were much in demand. 2. Trouble with ingrown toenails? You should arrange to see a p_______________. 3. What’s a podiatrist? Maybe you call him a c_______________. 4. In Leisure World, a retirement community, some residents are in their 70’s and 80’s – obviously there are more s_______________s and o_______________s in such a place than in a housing tract built for newlyweds. 5. When I met this old graybead of 102, I asked him the usual foolish question: “How does it feel to be c_______________?” 6. This is a musical composition for eight players – or, in a single word, an o_______________. 7. In San Francisco, o_______________ flesh is a seafood delicacy popular with the Chinese and Italians. 8. “What is your goal in life?” an octogenarian was asked.

“To become a n_______________” was her answer to this foolish question. 9. When medical doctors could not help relieve his backache, he decided to visit a c_______________. 10. An o_______________ building is shaped like an eight-sided figure. 11. A century is ten d_______________s. 12. This figure has ten sides? Aha, a _______________! 13. The Secretary of Defense, with a kind of pixie humor, decided on a p_______________ swimming pool to match the shape of his office building. 13. Sea creature with eight tentacles o________________________ 14. Specialty of the chiropractor c________________________ 15. Specialty of the podiatrist p________________________ 16. Specialty of the chiropodist c________________________ 17. Adjective form of pentagon p________________________ 18. Ditto, of octagon o________________________ 19. Ditto, of podiatry p________________________ 20. Ditto, of chiropractic c________________________ SPACE YOUR LEARNING Learning goes on in your head.

It goes on not only while you are involved with your work, but also after you finish the assignment and put it away. It goes on, even though you are completely unaware of it. Your conscious mind may be taken up with other things, yet your brain, like the computer that it is, is making connections from ideas you have previously made contact with, the cells and nerve endings growing and dying and replacing themselves. Even when you sleep, learning goes on -- For example, do not be surprised if some of the words we are discussing appear in your dreams, perhaps sometimes in symbolic or frightening forms. And this is why the most efficient learning follows a systematic schedule. Between periods of contact with new material, your unconscious mind assimilates, digests, analyzes, synthesizes – in short, keeps working. To take advantage of your unconscious learning power, to exploit it to the fullest, set up a study schedule. Don’t cram, or try to learn something at the last minute.

Question: Greek deka, and Latin decem, are what number?
Answer: Ten