Quad*rox"ide (?), n. [Quadri- + oxide.] (Chem.) A tetroxide. [R.]

||Quad*ru"ma*na (?), n. pl. [NL. See Quadrumane.] (Zoˆl.) A division of

||the Primates comprising the apes and monkeys; -- so called because

||the hind foot is usually prehensile, and the great toe opposable

||somewhat like a thumb. Formerly the Quadrumana were considered an

||order distinct from the Bimana, which last included man alone.

Quad"ru*mane (?), n. [L. quattuor four + manus a hand: cf. F.

quadrumane.] (Zoˆl.) One of the Quadrumana.

Quad*ru"ma*nous (?), a. (Zoˆl.) Having four hands; of or pertaining to

the Quadrumana.

Quad"ru*ped (?), a. [L. quadrupes, -pedis; quattuor four + pes, pedis,

a foot: cf. F. quadrupËde. See Quadrate, and Foot.] Having four feet.

Quad"ru*ped, n. (Zoˆl.) An animal having four feet, as most mammals and

reptiles; -- often restricted to the mammals.

Quad*ru"pe*dal (?), a. (Zoˆl.) Having four feet; of or pertaining to a

quadruped.

Quad"ru*ple (?), a. [L. quadruplus, from quattuor four: cf. F.

quadruple. See Quadrate, and cf. Double.] Fourfold; as, to make

quadruple restitution; a quadruple alliance.

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

equal parts.

Quad"ru*ple, 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.

Quad"ru*ple, 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.

Quad"ru*ple, v. i. To be multiplied by four; to increase fourfold; to

become four times as much.

Quad"ru*plex (?), a. [L., from quattuor four + plicare to fold.]

Fourfold; folded or doubled twice.

Quadruplex system (Electric Telegraph), a system by which four

messages, two in each direction, may be sent simultaneously over the

wire.

Quad*ru"pli*cate (?), v. t. [imp. & p. p. Quadruplicated (?); p. pr. &

vb. n. Quadruplicating.] [L. quadruplicatus, p. p. of quadruplicare,

fr. quadruple&?; fourfold. See Quadruplex.] To make fourfold; to double

twice; to quadruple.

The Gutenberg Webster's Unabridged Dictionary: Section P and Q · 第 1982 / 2103 题