white arsenic white-armed • white ash · · · Info · Definitions · Synonyms · Characters · · white arsenic · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer. Synonyms: arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane. · · Noun Definition 1 Synonyms · · · arsenic · · Synonym 1 arsenic trioxide · · Synonym 2 arsenous anhydride · · Synonym 3 arsenous oxide · · Synonym 4 ratsbane · · Synonym 5 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 w latin small letter w U+0077