Quadruple

• POS: Adjective, Noun, Verb (usu participle)
• HYPHEN: quad=ru=ple

CIDE DICTIONARY

Quadruple, a. [L. quadruplus, from quattuor four: cf. F. quadruple. See Quadrate, and cf. Double.].

 Fourfold; as, to make quadruple restitution; a quadruple alliance.  [1913 Webster]

Quadruple time (Mus.), that in which each measure is divided into four equal parts.

Quadruple, n. [Cf. F. quadruple, L. quadruplum.].

 four times the sum or number; a fourfold amount; as, to receive to quadruple of the amount in damages.  [1913 Webster]

Quadruple, v. t. [L. quadruplare: cf. F. quadrupler.].

 To multiply by four; to increase fourfold; to double; to double twice.  A. Smith.  [1913 Webster]

Quadruple, v. i. 

 To be multiplied by four; to increase fourfold; to become four times as much.  [1913 Webster]

OXFORD DICTIONARY

Quadruple, adj., n., & v.
--adj.
1 fourfold.
2 a having four parts. b involving four participants (quadruple alliance).
3 being four times as many or as much.
4 (of time in music) having four beats in a bar.
--n. a fourfold number or amount.
--v.tr. & intr. multiply by four; increase fourfold.

Derivative

quadruply adv.

Etymology

F f. L quadruplus (as QUADRI-, -plus as in duplus DUPLE)

ROGET THESAURUS

Quadruple

Quadruplication

N quadruplication, fourfold, four times, quadrable, quadrumanous, quadruple, quadruplicate, quadrible, fourth, quadrifoliate, quadrifoliolate, quadrigeminal, quadrigeminate, quadriplanar, quadriserial, four times, in the fourth place, fourthly.