algarot \al"ga*rot\ ([a^]l"g[.a]*r[o^]t), algaroth \al"ga*roth\ ([a^]l"g[.a]*r[o^]th), n. [F. algaroth, fr. the name of the inventor, Algarotti.] (Med.) A term used for the {Powder of Algaroth}, a white powder which is a compound of trichloride and trioxide of antimony. It was formerly used in medicine as an emetic, purgative, and diaphoretic. [1913 Webster]