quadruple

adj. four times, fourfold; comprised of four parts

v. multiply by 4; be multiplied by 4

n. something which is four times greater than another

In mathematics, a quadruple or quadruplet is an n-tuple with n being 4. This means it depicts four elements, with the order of the elements carrying meaning. This differs from a set, where the order of the elements is meaningless and where no element could exist more than once. Derived from this abstract meaning, it is used in several other contexts including:In football, a quadruple is the act of winning four trophies in one season.To quadruple a magnitude is to multiply it by 4.Quadruplets are four children born in one pregnancy. See Multiple birth.A quadruplet is a type of note in music (see tuplet).A redundant backup system that has three secondary systems to take over if the primary fails.A figure skating jump with four revolutions.
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Noun
1. a quantity that is four times as great as another
(hypernym) multiple
(derivation) quadruplicate
Verb
1. increase fourfold; "His stock earning quadrupled"
(hypernym) multiply, manifold
(derivation) quadruplicate
Adjective
1. having four units or components; "quadruple rhythm has four beats per measure"; "quadruplex wire"
(synonym) quadruplicate, quadruplex, fourfold
(similar) multiple
2. four times as great or many; "a fourfold increase in the dosage"
(synonym) fourfold
(similar) multiple

adj. quadruple, four times, fourfold; comprised of four parts

n. quadruple, something which is four times greater than another

n. quadruplets, four children born from one pregnancy

n. quadruplet, group of four items; one of four siblings born from one pregnancy; group of four musical notes of equal value to three regular notes (Music)

v. quadruple, multiply by 4; be multiplied by 4

adj. quadruple, fourfold