megafarad
A unit of quantity of electric charge; the quantity of electricity flowing through a one megohm resistor when driven by an electromotive force of one volt for one second.
An improbably large unit of electrical capacitance equal to one million farads.

megafarads
plural of megafarad

megafeet
plural of megafoot

megafoot
A unit of length equal to one million feet.

megafortune
A fortune of an amount in the millions.

megafortunes
plural of megafortune

megafund
A major money-management operation dealing with large amounts of money.

megafunds
plural of megafund

megagallon
A unit of volume equal to one million gallons.

megagallons
plural of megagallon

megagon
A polygon with one million sides.
A polygon with a vastly larger number of sides, used in the definition of Moser's number.

megagons
plural of megagon

megagram
An SI unit of mass equal to 10⁶ grams. Symbol: Mg

megagramme
Alternative spelling of megagram.

megagrammes
plural of megagramme

megagrams
plural of megagram

megahenry
An SI unit of electrical inductance equal to 10⁶ henrys. Symbol: M

megajoule
An SI unit of energy equal to 10⁶ joules. Symbol: MJ

megajoules
plural of megajoule

megalerg
A unit of one million ergs.

megalergs
plural of megalerg

megalightyear
Alternative form of megalight-year.

megalightyears
plural of megalightyear

megaliter
Alternative spelling of megalitre One million liters.

megaliters
plural of megaliter

megalitre
A unit of volume equivalent to 1,000,000 litres. Symbol: ML or Ml.

megalitres
plural of megalitre

megalocyte
A large, flattened corpuscle, twice the diameter of the ordinary red corpuscle, found in considerable numbers in the blood in profound anemia.

megalocytes
plural of megalocyte

megalogue
A simultaneous conversation involving a large number of people

megalogues
plural of megalogue

megamarathon
A major marathon with a large number of participants.

megamarathons
plural of megamarathon

megamillion
A great number of millions.

megamillions
plural of megamillion

megamoney
Very large amounts of money.

megamonsoon
An extremely intense and widespread monsoon.

megamonsoons
plural of megamonsoon

megampere
A unit of electrical current, equal to a million amperes.

megamperes
plural of megampere

meganiche
A small niche on the World Wide Web that is highly specific and appeals only to a limited demographic but may still be worthwhile and successful because of the huge total number of users.

meganiches
plural of meganiche

megaohm
An SI unit of resistance equal to 10⁶ ohms. Symbol: MΩ

megaohms
plural of megaohm

megapascal
An SI unit of pressure equal to 10⁶ pascals. Symbol: MPa

megapascals
plural of megapascal

megapennies
plural of megapenny

megapenny
A million cents. ($10,000)
An indefinite amount of money, implied to be large.

megaprime
A prime number with at least one million decimal digits.

megaprimes
plural of megaprime

megarad
A unit of radiation equivalent to one million rads.

megarads
plural of megarad

megarayleigh
A unit of brightness equal to one million rayleighs.

megarayleighs
plural of megarayleigh.

megas
plural of mega

megasecond
An SI unit of time equal to 10⁶ seconds. Symbol: Ms. (= 11.5741 days)

megaseconds
plural of megasecond

megaseller
A book or other product that has sold in extremely large numbers.

megasellers
plural of megaseller

megaton
A measure of the strength of an explosion or a bomb based on how many million tons of TNT would be needed to produce the same energy. (A derived unit for TNT equivalent.)
One million tons.
One million tons.
One million tons.

megatonnage
The destructive power of an explosive, measured in megatons.

megatonnages
plural of megatonnage

megatonne
Alternative spelling of megaton.

megatonnes
plural of megatonne

megatons
plural of megaton

megatracksite
A site showing geological evidence of very large numbers of fossil tracks or trace fossils.

megatracksites
plural of megatracksite

megatrillion
A great number of trillions.

megatrillions
plural of megatrillion

megatsunami
An extremely large tsunami-like wave caused by an avalanche or landslide displacing large amounts of water very quickly.
A very large tsunami.

megatsunamis
plural of megatsunami

megaunits
plural of megaunit

megaverse
A theoretical higher-order universe that contains multiple (possibly an infinite number of) pocket universes within it.

megaverses
plural of megaverse

megavoxel
A million (or 2²⁰) voxels

megavoxels
plural of megavoxel

megawarhol
A unit of fame equal to 1 million warhols, or 15 million minutes of fame (about 28.5 years).

megawarhols
plural of megawarhol

megawatt
One million (1 000 000) watts, an amount of power large enough to power such things as an entire commercial building or a small passenger aircraft. (Consuming 1 megawatt during a duration of 1 hour consumes 1 megawatt-hour of energy.)

megawattage
An amount of power expressed in megawatts.

megawattages
plural of megawattage

megawatts
plural of megawatt

megaword
A unit of storage or capacity equal to 10⁶ (or 2²⁰) words

megawords
plural of megaword

megerg
Alternative form of megalerg.

megergs
plural of megerg

megohm
Alternative form of megaohm.

megohms
plural of megohm

meibograde
Synonym of meiboscore.

meibogrades
plural of meibograde

meiboscore
A measure of the relative size of a meibomian gland

meiboscores
plural of meiboscore

meicatalecticizant
Synonym of catalecticant.

meicatalecticizants
plural of meicatalecticizant

meiophylly
A diminution in number of the leaves in a whorl, as compared with the preceding whorl.

meitnerium
A transuranic chemical element (symbol Mt) with atomic number 109.

melanocytoses
plural of melanocytosis

melanocytosis
The presence of an excessive number of melanocytes.

mendeleevium
Rare spelling of mendelevium.

mendelevium
A radioactive metallic transuranic chemical element (symbol Md) with atomic number 101, which is artificially produced in a particle accelerator.

mendeleyevium
Rare spelling of mendelevium.

mensiversaries
plural of mensiversary

mensiversary
A day that marks an exact month (or specified number of months) since the occurrence of a significant event.

mensur
The measurement of the length of the vibrating string from the nut to the bridge.

mensurs
plural of mensur

menthane
Any of a number of isomeric saturated cyclic monoterpene hydrocarbons

menthanes
plural of menthane

menthene
Any of a number of isomeric cyclic monoterpene hydrocarbons having a single double bond

menthenes
plural of menthene

mercal
Alternative form of mercall.

mercall
A grain measure in use in the Madras Presidency, varying in different localities, but typically 12 sers; fixed since 1846 at 800 cubic inches.

mercalls
plural of mercall

mercals
plural of mercal

mercar
Alternative form of mercall.

mercars
plural of mercar

merdiban
A traditional accounting method used in the Ottoman Empire and elsewhere, with amounts recorded in descending order.

merises
plural of merisis

merisis
Any form of growth; specifically, growth by increase in number of cells.

merkland
Alternative form of markland.

merklands
plural of merkland

merosity
The number of component parts in a whorl, most commonly of flowers.

mesofluidics
The application of millimeter- to centimeter-sized hydraulics to problems that require substantial amounts of power to be generated and applied in a limited space.

mesologarithm
A logarithm of the cosine or cotangent.

mesologarithms
plural of mesologarithm

mesostichs
plural of mesostich

metaclusterings
plural of metaclustering

metacohort
A number of geographically-separated cohorts considered as a single entity

metacohorts
plural of metacohort

metaestrus
Alternative form of metestrus.

metage
Measurement, especially of coal.
A fee paid for a measurement.

metages
plural of metage