# quadruple
## English
### Etymology

From Middle English quadruple, from Latin quadruplus. Can be analyzed as quadri- +‎ -ple.

### Pronunciation

* (Received Pronunciation) IPA: /ˈkwɒd.ɹʊ.pəl/, /kwɒˈdɹuː.pəl/
* (General American) IPA: /kwɑˈdɹu.pəl/, /kwɑˈdɹʌp.əl/, /ˈkwɑd.ɹə.pəl/
* Audio (US):(file)
* Rhymes: -uːpəl

### Adjective

quadruple (not comparable)
* Being four times as long, as big or as many of something.
    He's quite an athlete and can do quadruple jumps with ease.

#### Antonyms

* quarter (divided into four; one of four equal parts)

#### Derived terms

* quadruple stop
* quadruple time
* simple quadruple time

#### Translations
### Verb

quadruple (third-person singular simple present quadruples, present participle quadrupling, simple past and past participle quadrupled)
* (transitive) To multiply by four.
    Quadrupling four gives sixteen.
* (intransitive) To increase by a factor of four.
    Our profits quadrupled when we made the improvements.
* (rail transport) To provide four parallel running lines on a given stretch of railway.
** 1950 September, “Network News: Watford Tunnel, L.M.R.”, in Railway Magazine, page 641:On June 8, 1872, the London & North Western Railway obtained powers to quadruple its main line, and a new tunnel was bored for the up and down slow lines.
** 2019 October, “Railtalk: HS2 delay - time for lateral thinking”, in Modern Railways, page 7:Quadrupling the short remaining stretch of three-track railway north of Rugby, left over by the turn of the century modernisation, is a possibility that could be pursued.
** 2020 April 22, Paul Shannon, “Felixstowe: Is 47 trains a day achievable?”, in Rail, page 52:A long-term aspiration is to quadruple the cross-country route between Peterborough and Werrington Junction, removing any conflict between trains on the Spalding and Leicester lines.

#### Antonyms

* quarter (divide by four)

#### Derived terms

* quadruplet

#### Translations
### Noun

quadruple (plural quadruples)
* Something that is four times the usual number, amount, size, etc.
* (skating) A figure-skating jump with four revolutions in the air.
    Synonym: quad

#### Derived terms

* Pythagorean quadruple
* quadruple bluff
* quadruple-click
* quadruple double
* quadruple-header
* quadruple-masted
* quadruple scull
* quadruple star
* quadruple star system
* quadruple thread
* quadruple whole
* quadruple whole note
* quadruple witching
* simple quadruple time

### See also

| Number | 1 | 2 | 3 | 4 | 5 |
| Modifier | single | double / twofold | triple / threefold | quadruple / fourfold | quintuple / pentuple / fivefold |
| Whole | loner / singleton / monad | pair / couple / twosome / dyad | trio / threesome / triad / troika | foursome / tetrad | fivesome |
| Part | only one / singlet | twin / one of two / doublet | triplet / one of three | quadruplet / one of four | quintuplet / pentuplet / one of five |
| Number | 6 | 7 | 8 | 9 | 10 |
| Modifier | sextuple / hextuple / sixfold | septuple / heptuple / sevenfold | octuple / eightfold | ninefold / nonuple | tenfold / decuple |
| Whole | sixsome | sevensome | eightsome | ninesome | tensome / decad |
| Part | sextuplet / hextuplet / one of six | one of seven / septuplet / heptuplet | octuplet / one of eight | one of nine / nonuplet | one of ten / decuplet |
| Number | 11 | 12 | 13 | 100 | many |
| Modifier | elevenfold / undecuple / hendecuple | twelvefold / duodecuple | thirteenfold / tredecuple | a hundredfold / centuple | multiple |
| Whole | elevensome | twelvesome | thirteensome | hundredsome | |
| Part | one of eleven / undecuplet / hendecuplet | one of twelve / duodecuplet | one of thirteen / tredecuplet | one of a hundred / centuplet | one of many / multiplet |

### Further reading

* “quadruple”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
* “quadruple”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.

### Anagrams

* quadrupel

## French
### Etymology

Borrowed from Latin quadruplus.

### Pronunciation

* IPA: /ka.dʁypl/, /kwa.dʁypl/
* Audio:(file)

### Adjective

quadruple (plural quadruples)
* quadruple
    Ils sont entrés dans l’histoire du patinage artistique en exécutant un quadruple salto, une première en couple.They entered into the history of artistic ice skating by executing a quadruple somersault, a first as a couple.
    la Quadruple Alliance ― the Quadruple Alliance
* (music) sixty-fourth note
    une quadruple croche ― a sixty-fourth note

### Noun

quadruple m (plural quadruples)
* something that is equal to four times something else
    Je veux le quadruple de la prime normale.I want quadruple the normal premium.
* (Scrabble) a move whose score is multiplied by four
    Ce tirage permettait plusieurs quadruples.This draw allowed several quadruples
    J’ai perdu une douzaine de points sur un difficile "mosaique" en quadruple.I lost a dozen points on a difficult quadruple "mosaic".
* (Scrabble) the area on the board where such a move is possible
    Le quadruple en colonne 5 reste ouvert avec la séquence "ena" ou "ene".The quadruple on column 5 remains open with the sequence "ena" or "ene".

#### Related terms

* nonuple

### Verb

quadruple
* inflection of quadrupler:
** first/third-person singular present indicative/subjunctive
** second-person singular imperative

### Further reading

* “quadruple”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

## Italian
### Adjective

quadruple f pl
* feminine plural of quadruplo

## Latin
### Adjective

quadruple
* vocative masculine singular of quadruplus