\Cac`o*dyl"ic\, a. (Chem.)
Of, pertaining to, or derived from, cacodyl.
{Cacodylic acid}, a white, crystalline, deliquescent
   substance, {(CH3)2AsO.OH}, obtained by the oxidation of
   cacodyl, and having the properties of an exceedingly
   stable acid; -- also called {alkargen}.