[kwo-droo-puh l, -druhp-uh l, kwod-roo-puh l]
- fourfold; consisting of four parts: a quadruple alliance.
- four times as great.
- Music. having four beats to a measure.
- a number, amount, etc., four times as great as another.
- something, as a series of acrobatic somersaults, made up of four clearly defined parts or stages: the first trapeze artist to perform a quadruple successfully.
- to make or become four times as great: To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.
Origin of quadruple
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for quadruply
The amendment is lost; and trebly and quadruply lost is the listener.From Sea to Sea
- to multiply by four or increase fourfold
- four times as much or as many; fourfold
- consisting of four parts
- a quantity or number four times as great as another
C16: via Old French from Latin quadruplus, from quadru- (see quadri-) + -plus -fold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for quadruply
late 14c., from Middle French quadrupler, from Late Latin quadruplare "make fourfold, multiply by four," from Latin quadruplus (adj.) "quadruple, fourfold" (see quadruple (adj.)).
Online Etymology Dictionary, © 2010 Douglas Harper