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Verb: quadruple  kwó'droo-pul
  1. Increase fourfold
    "His stock earning quadrupled"
Noun: quadruple  kwó'droo-pul
  1. A set of four similar things considered as a unit
    - quartet, quartette, quadruplet
     
  2. A quantity that is four times as great as another
Adjective: quadruple  kwó'droo-pul
  1. Having four units or components
    "quadruple rhythm has four beats per measure";
    - quadruplicate, quadruplex, fourfold, four-fold
     
  2. Four times as great or many
    "a quadruple increase in the dosage";
    - fourfold, four-fold

Derived forms: quadrupling, quadrupled, quadruples

See also: multiple

Type of: manifold, multiple, multiply, set

Encyclopedia: Quadruple