Cacodyl

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cacodyl \Cac"o*dyl\, n. [Gr. ??????? ill-smelling (kako`s bad +
     ????? to smell) + -yl.] (Chem.)
     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}.]
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  cacodyl
       n 1: a poisonous oily liquid with a garlicky odor composed of 2
            cacodyl groups; undergoes spontaneous combustion in dry
            air [syn: {tetramethyldiarsine}]
       2: the univalent group derived from arsine [syn: {cacodyl group},
           {cacodyl radical}, {arsenic group}]