cacodyl

cacodyl

[kak-uh-dil]
adjective
1.
containing the cacodyl group.
noun
2.
an oily, slightly water-soluble, poisonous liquid compound composed of two cacodyl groups, (CH 3 ) 2 As−As(CH 3 ) 2 , that has a vile, garliclike odor and that undergoes spontaneous combustion in dry air.

Origin:
1840–50; < Greek kakṓd(ēs) ill-smelling (kak(o)- caco- + -ōd- smell + -ēs adj. suffix) + -yl

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World English Dictionary
cacodyl (ˈkækədaɪl)
 
n
an oily poisonous liquid with a strong garlic smell; tetramethyldiarsine. Formula: [(CH3)2As]2
 
[C19: from Greek kakōdēs evil-smelling (from kakoscaco- + ozein to smell) + -yl]
 
cacodylic
 
adj

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