adj. 1. Multiplied by four; quadruple. 2. Fourth in a group of four identical things. n. One of a group of four identical things. tr. & intr.v. (-kāt′) quad·ru·pli·cat·ed, quad·ru·pli·cat·ing, quad·ru·pli·cates To multiply or be multiplied four times. [Latin quadruplicātus, past participle of quadruplicāre, to multiply by four, from quadruplex, fourfold : quadru-, quadri-, quadri- + -plex, -fold; see DUPLEX.] quad·rupli·cate·ly (-kĭt-lē) adv. quad·ru′pli·cation n. |
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