White+arsenic
131arsenic — [är′sə nik΄; ] for adj. [ är sen′ik] n. [ME < OFr < L arsenicum < Gr arsenikon, yellow orpiment; ult. (? via Syr zarnīk(ā)) < Iran * zarnīk, gold colored (> Pers zarnīq, arsenic); assoc. in Gr with arsenikos, strong, masculine] 1.… …
132Arsenic acid — IUPAC …