| 释义 |
arsenicn. & adj.●n. /ˈɑ:s(ə)nik/ 1 (in full 全称 white arsenic) a non-scientific name for arsenic trioxide, a highly poisonous white powdery substance used in weedkillers, rat poison, etc. (用于除草、灭鼠等的)三氧化二砷，砒霜 2 Chem. a brittle semi-metallic element, used in semiconductors and alloys (symbol 符 As) 【化】(化学元素)砷 ●adj. /ɑ:ˈsenik/ 1 of or concerning arsenic 砷的 2 Chem. containing arsenic with its higher valency of five 【化】含有五价砷的 □ arsenious /ɑ:ˈsi:niəs/ adj.[Middle English via Old French and Latin arsenicum from Greek arsenikon ‘yellow orpiment’, identified with arsenikos ‘male’, but in fact from Arabic al-zarnī, from al ‘the’ + zarnīk ‘orpiment’, ultimately from Persian zar ‘gold’] |