arsenic
名词 arsenic:
a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
同义词:As, atomic number 33
a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
同义词:arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane