Similar words: quadruped, quadrant, quadrangle, scruple, squad, couple, a couple of, cadre. Meaning: ['kwɑdruːpl /'kwɒd-] 
n. 1. a set of four similar things considered as a unit 2. a quantity that is four times as great as another. v. increase fourfold. adj. 1. having four units or components 2. four times as great or many.
n. 1. a set of four similar things considered as a unit 2. a quantity that is four times as great as another. v. increase fourfold. adj. 1. having four units or components 2. four times as great or many. 
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(31) In this paper, A quadruple subharmonic mixer used in holographic imaging system at W band is designed.
(32) It was not just double meaning , but quadruple meaning!
(33) Several times, the final figure was quadruple what was first reported.
(34) Few would bet against him completing a quadruple after his French Open and Wimbledon triumphs.
(35) We have hope to quadruple the total industrial and agricultural output by the end of the century, which is a lofty aim.
(35) Wish you will love sentencedict.com and make progress everyday!
(36) Its GDP will quadruple the 2000 volume, exceeding $ 4 trillion by 2020.
(37) Double -, triple -, or quadruple - effect evaporators may be used in industrial and steam heating plants.
(38) In error-rate expression the effects of Rayleigh fading, frequency-and time-selective fading on HF ionospheric channels, quadruple frequency diversity and white noise have been considered.
(39) Wealth from fossil fuels allowed Russia to nearly quadruple military spending over the last decade, but the gusher days are over for now, given low oil prices.
(40) How can we quadruple the GNP with such meagre imports and exports?
(41) Masonry works of oven bottom and quadruple - arch wall.
(42) The completed status of each channel of the quadruple ACE can be read at any time during functional operation by the CPU.
More similar words: quadruped, quadrant, quadrangle, scruple, squad, couple, a couple of, cadre, adroit, adrift, persuade, upload, dissuade, duplicity, duplicate, drub, drug, drum, duplicitous, drum up, humdrum, drunken, drugged, drudgery, drunkard, drugstore, conundrum, rack and ruin, blind drunk, syrup.