自し然ぜん水すい銀ぎん

noun

native mercury

Technical term in mineralogy for naturally occurring mercury, often found in association with cinnabar.

• この地ち域いきでは自し然ぜん水すい銀ぎんが辰しん砂しゃとともに産さん出しゅつする。

  In this region, native mercury occurs together with cinnabar.