Dictionary![]() ![]() eth•yl•di•chlo•ro•ar•sinePronunciation: (eth"ul-dī-klôr"ō-är'sēn, -klōr"-), [key] —n. Chem. a colorless, volatile, poisonous liquid, C2H5AsCl2, having an irritating, fruitlike odor: formerly used as a blister gas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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