砒ひ石せきひせきMeanings1nounarsenic mineral; arsenious anhydridegeologyGeological term for arsenic-containing minerals, especially arsenious anhydride (As₂O₃).砒ひ石せきは毒どく物ぶつとしても知しられる鉱こう物ぶつだ。Arsenic mineral is a mineral also known as a toxic substance.
