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cacodyl

[kak-uh-dil]
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adjective
  1. containing the cacodyl group.
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noun
  1. an oily, slightly water-soluble, poisonous liquid compound composed of two cacodyl groups, (CH3)2As−As(CH3)2, that has a vile, garliclike odor and that undergoes spontaneous combustion in dry air.
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Origin of cacodyl

1840–50; < Greek kakṓd(ēs) ill-smelling (kak(o)- caco- + -ōd- smell + -ēs adj. suffix) + -yl
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cacodyl

Historical Examples

  • The dimethyl arsine (or cacodyl) compounds have been most studied.

    Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6

    Various

  • Simultaneously with his work on cacodyl, he was studying the composition of the gases given off from blast furnaces.


British Dictionary definitions for cacodyl

cacodyl

noun
  1. an oily poisonous liquid with a strong garlic smell; tetramethyldiarsine. Formula: [(CH 3) 2 As] 2
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Derived Formscacodylic (ˌkækəˈdɪlɪk), adjective

Word Origin

C19: from Greek kakōdēs evil-smelling (from kakos caco- + ozein to smell) + -yl
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