Noun quadrupling has 1 sense
  1. quadrupling - increase by a factor of four
    --1 is a kind of
    multiplication
    Derived form: verb quadruple1
,Verb quadruple has 1 sense
  1. quadruple - increase fourfold; "His stock earning quadrupled"
    --1 is one way to
    multiply, manifold
    Derived forms: noun quadruplicate1, noun quadrupling1, noun quadruple1
    Sample sentences:
    They quadruple their earnings this year
    Their earnings quadruple this year
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