Английский разговорный словарь (основной) - arsenic

̘. ̈n.ˈɑ:snɪk n. & adj. --n. 1 a non-scientific name for arsenic trioxide, a highly poisonous white powdery substance used in weed-killers, rat poison, etc. 2 Chem. a brittle semi-metallic element, used in semiconductors and alloys. °Symb.: As. --adj. 1 of or concerning arsenic. 2 Chem. containing arsenic with a valency of five. øred arsenic = REALGAR. white arsenic = sense 1. øøarsenious adj. [ME f. OF f. L arsenicum f. Gk arsenikon yellow orpiment, identified with arsenikos male, but in fact f. Arab. al-zarnik f. al the + zarnik orpiment f. Pers. f. zar gold]