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单词 dieldrin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
diel•drin  (dēl′drin),USA pronunciation n. [Chem.]
  1. Chemistrya light tan, crystalline, water-insoluble, poisonous solid, C12H8OCl6, used as an insecticide: manufacture and use have been discontinued in the U.S.
  • Diel(s-Al)d(e)r (reaction) + -in2 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::
dieldrin /ˈdiːldrɪn/ n
  1. a crystalline insoluble substance, consisting of a chlorinated derivative of naphthalene: a contact insecticide the use of which is now restricted as it accumulates in the tissues of animals. Formula: C12H8OCl6
Etymology: 20th Century: from Diel( s-Al) d( e) r ( reaction) + -in
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更新时间：2024/9/20 20:42:23