cacodyl

 [kak-uh-dil]  

cac·o·dyl

   [kak-uh-dil]
adjective
1.
containing the cacodyl group.
noun
2.
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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Cacodyl is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a gadget; dingus; thingumbob.
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Origin:
1840–50; < Greek kakṓd(ēs) ill-smelling (kak(o)- caco- + -ōd- smell + -ēs adj. suffix) + -yl
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To cacodyl
Collins
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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