火山砕屑物 かざんさいせつぶつ Meanings Noun volcaniclastic material; pyroclastic material Kanji 火 fire. Read as カ. 山 mountain. Read as サン. 砕 smash. Read as サイ. 屑 rubbish; junk; trash. Read as セツ. 物 thing. Read as ブツ. Jinuma: Japanese Dictionary · Word lists