hiseki
1. arsenic mineral; arsenious anhydride
Noun
#178505
1. arsenic mineral; arsenious anhydride
1. arsenicals (drugs containing arsenic)
1. gallium arsenide (GaAs)
1. arsine
1. domeykite
1. arsenide
1. arsenic (As)
1. arsenic acid
1. Was not arsenic.; Wasn't arsenic.
1. It was arsenic.