D defs.my
Entry 1 sense Webster, 1913

Cacodyl

· Cac·o·dyl · IPA
01 n. Alkarsin; a colorless, poisonous, arsenical liquid, As2(CH3)4, spontaneously inflammable and possessing an intensely disagreeable odor. It …
  1. 1.
    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.(Chem.)