arrenicum

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

arrĕnĭcum (arrh-, arsĕn-), i, n., = ἀρσενικόν (ἀρρενικόν),

arsenic , orpiment. vitia cum chartā et arrhenico sanant, Plin. 28, 15, 60, § 214; 34, 18, 56, § 178 ( Vitr. 7, 7, 7 fin. uses for it auripigmentum).