Английский разговорный словарь (основной) - quadruple

ˈkwɔdrupl 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. øøquadruply adv. [F f. L quadruplus (as QUADRI-, -plus as in duplus DUPLE)]