Definition of quadruple adjective from the Oxford Advanced Learner's Dictionary



    adjective [only before noun] determiner
    BrE BrE//ˈkwɒdrʊpl//
    ; NAmE NAmE//kwɑːˈdruːpl//
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  1. 1consisting of four parts, people or groups a quadruple alliance
  2. 2being four times as much or as many a quadruple whisky This year we produced quadruple the amount produced in 2013.
  3. Word Originlate Middle English (as a verb): via French from Latin quadruplus, from quadru- ‘four’ + -plus as in duplus (from duo ‘two’).
See the Oxford Advanced American Dictionary entry: quadruple

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