Cacodyl
Pronunciation : Cac"o*dyl
Part of Speech : n.
Etymology : [Gr. -yl.] (Chem.)
Definition : Defn: Alkarsin; a colorless, poisonous, arsenical liquid, As2(CH3)4, spontaneously inflammable and possessing an intensely disagreeable odor. It is the type of a series of compounds analogous to the nitrogen compounds called hydrazines. [Written also cacodyle, and kakodyl.]
Source : Webster's Unabridged Dictionary, 1913