单词 | defoliant |
释义 | defoliantn. A chemical used to cause defoliation. ΘΚΠ the world > life > death > killing > killer of nature > [noun] > herbicide > defoliant defoliant1943 agent1966 Agent Orange1966 1943 N.Y. Herald Tribune 7 Nov. 6 A cotton crop sprinkled with a specially prepared defoliant to make machine picking easier was harvested recently. 1956 Nature 3 Mar. 417/2 Research on the use of herbicides, arboricides and defoliants in East Africa. 1963 Guardian 1 May 8/5 The defoliants..are widely used by farmers. 1967 Punch 1 Mar. 302/2 The most powerful technological nation in the world has deployed its invention in massive weight; from 70,000-ton attack carriers, through flying headquarters equipped with computers, to defoliants for stripping the jungle of concealing vegetation. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018). < |
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