崩壊系列 ほうかいけいれつ Meanings Noun decay chain; decay series Kanji 崩 collapse. Read as ホウ. 壊 destroy. Read as カイ. 系 system. Read as ケイ. 列 row. Read as レツ. Words containing 崩壊系列 放射性崩壊系列 (ほうしゃせいほうかいけいれつ) radioactive decay series Word lists Physics Jinuma: Japanese Dictionary · Word lists