quadruple

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

• (Received Pronunciation) IPA^(key): /ˈkwɒd.ɹʊ.pəl/, /kwɒˈdɹuː.pəl/
• (General American) IPA^(key): /kwɑˈdɹu.pəl/, /kwɑˈdɹʌp.əl/, /ˈkwɑd.ɹə.pəl/

• Audio (US)

  (file)

• Rhymes: -uːpəl

quadruple (not comparable)

1. Being four times as long, as big or as many of something.

   He's quite an athlete and can do quadruple jumps with ease.

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

quadruple (third-person singular simple present quadruples, present participle quadrupling, simple past and past participle quadrupled)

1. (transitive) To multiply by four.

   Quadrupling four gives sixteen.

2. (intransitive) To increase by a factor of four.

   Our profits quadrupled when we made the improvements.

3. (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.

• quarter (divide by four)

• quadruplet

quadruple (plural quadruples)

1. Something that is four times the usual number, amount, size, etc.
2. (skating) A figure-skating jump with four revolutions in the air.

   Synonym: quad

• “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.

• quadrupel

Borrowed from Latin quadruplus.

• IPA^(key): /ka.dʁypl/, /kwa.dʁypl/

• Audio

  (file)

quadruple (plural quadruples)

1. 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

2. (music) sixty-fourth note

   une quadruple croche ― a sixty-fourth note

quadruple m (plural quadruples)

1. something that is equal to four times something else

   Je veux le quadruple de la prime normale.

   I want quadruple the normal premium.

2. (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".

3. (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".

• nonuple

quadruple

1. inflection of quadrupler:
   1. first/third-person singular present indicative/subjunctive
   2. second-person singular imperative

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

quadruple f pl

1. feminine plural of quadruplo

quadruple

1. vocative masculine singular of quadruplus