late 14c., from Middle French quadrupler, from Late Latin quadruplare "make fourfold, multiply by four," from Latin quadruplus (adj.) "quadruple, fourfold" (see quadruple (adj.)).
quadruple (adj.)
1550s, from Middle French quadruple (13c.), from Latin quadruplus "fourfold," from quadri- "four" (see quadru-) + -plus "-fold" (see -plus).
例文
1. They could sell their merchandise for quadruple the asking price.
彼らは彼らの商品を4倍の値段で売ることができる。
2.There was a proposal in the United States to quadruple its annual intake of immigrants.
米国では、移民の年間受け入れ数を3倍に増やすことを提案している。
3.We have hope to quadruple the total industrial and agricultural output by the end of the century,which is a lofty aim.
今世紀末までに工農業総生産を2倍にするという野心的な志を持っています。
4.The power utilities will need to quadruple their capacity.