自し然ぜん砒ひ

noun

native arsenic; arsenic

Mineralogy term for naturally occurring arsenic. In everyday contexts, ヒ素 (ひそ) is the common word for the element arsenic.

• この鉱こう山ざんでは自し然ぜん砒ひが産さん出しゅつされる。

  Native arsenic is mined at this mine.