星間物質 せいかんぶっしつ Meanings Noun interstellar matter Kanji 星 star. Read as セイ. 間 interval. Read as カン. 物 thing. Read as ブツ. 質 quality. Read as シツ. Words containing 星間物質 惑星間物質 (わくせいかんぶっしつ) interplanetary matter Jinuma: Japanese Dictionary · Word lists