(adj) having four units or components, Syn. fourfold, four-fold, quadruplex, quadruplicate, Example:quadruple rhythm has four beats per measure; quadruplex wire

quadruple

(adj) four times as great or many, Syn. fourfold, four-fold, Example:a fourfold increase in the dosage

quadruplet

(n) one of four children born at the same time from the same pregnancy, Syn. quad

quadruplicate

(n) any four copies; any of four things that correspond to one another exactly, Example:it was signed in quadruplicate

quadruplicate

(v) reproduce fourfold, Example:quadruplicate the bill

quadrupling

(n) increase by a factor of four

common time

(n) a time signature indicating four beats to the bar, Syn. common measure, four-four time, quadruple time

four

(n) the cardinal number that is the sum of three and one, Syn. tetrad, quatern, Little Joe, 4, IV, quartet, quaternary, quaternity, quaternion, foursome, quadruplet

quartet

(n) a set of four similar things considered as a unit, Syn. quartette, quadruple, quadruplet

The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)

Quadruplane

n. [ L. quadru- in comp. + E. plane. ] An airplane with four superposed main supporting surfaces. Contrasted with triplane biplane and monoplane. They are now used only for hobbyist or historical activities. [ Webster 1913 Suppl. +PJC ]

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. [ 1913 Webster ]

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. [ imp. & p. p. Quadrupled p. pr. & vb. n. Quadrupling ] [ 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 ]

Quadruplet

n. [ From Quadruple. ] 1. A collection or combination of four of a kind. [ Webster 1913 Suppl. ]

2. pl. Four children born in the same labor. [ Webster 1913 Suppl. ]

3. A cycle for carrying four riders, so arranged that all the riders can assist in the propulsion. [ Webster 1913 Suppl. ]

Quadruplex

a. [ L., from quattuor four + plicare to fold. ] Fourfold; folded or doubled twice. [ 1913 Webster ]

Quadruplex system (Electric Telegraph), a system by which four messages, two in each direction, may be sent simultaneously over the wire. [ 1913 Webster ]

Quadruplicate

v. t. [ imp. & p. p. Quadruplicated p. pr. & vb. n. Quadruplicating. ] [ L. quadruplicatus, p. p. of quadruplicare, fr. quadruple&unr_; fourfold. See Quadruplex. ] To make fourfold; to double twice; to quadruple. [ 1913 Webster ]

Quadruplicate

a. [ L. quadruplicatus, p. p. ] [ 1913 Webster ]

1. Fourfold; doubled twice; four times repeated; as, a quadruplicate ratio, or a quadruplicate proportion. [ 1913 Webster ]

2. (Math.) Raised to the fourth power. [ R. ] [ 1913 Webster ]

Quadruplication

n. [ L. quadruplicatio: cf. F. quadruplication. ] The act of making fourfold; a taking four times the simple sum or amount. [ 1913 Webster ]

Quadruply

adv. To a fourfold quantity; so as to be, or cause to be, quadruple; as, to be quadruply recompensed. [ 1913 Webster ]

Subquadruple

a. Containing one part of four; in the ratio of one to four; as, subquadruple proportion. Bp. Wilkins. [ 1913 Webster ]

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