'Pharmacosiderite' definitions:

Definition of 'Pharmacosiderite'

From: GCIDE

Pharmacosiderite \Phar`ma*co*sid"er*ite\, n. [Gr. fa`rmakon drug, poison + E. siderite.] (Min.) A hydrous arsenate of iron occurring in green or yellowish green cubic crystals; cube ore. [1913 Webster]