火か山ざん噴ふん出しゅつ物ぶつ

noun

volcanic product; volcanic ejecta

Technical term in geology and volcanology for solid, liquid, or gaseous material ejected from a volcano.

• 火か山ざん噴ふん出しゅつ物ぶつには火か山ざん灰ばいや溶よう岩がんが含ふくまれる。

  Volcanic products include volcanic ash and lava.