火か山ざん昇しょう華か物ぶつ

noun

volcanic sublimate

Technical term in geology and volcanology for solid material deposited directly from volcanic gases.

• 火か山ざん昇しょう華か物ぶつは噴ふん気き孔こうの周しゅう囲いによく見みられる。

  Volcanic sublimates are often found around fumaroles.