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崩壊熱 (houkainetsu) Japanese meaning: decay heat | Kotomora

崩ほう壊かい熱ねつ

ほ

う

か

い

ね

つ

Meanings

1

decay heat

Technical term in nuclear physics: heat produced by the radioactive decay of fission products in a nuclear reactor after shutdown.

原げん子し炉ろを停てい止しした後あとも、崩ほう

壊かい

熱ねつ

の

除じょ

去きょ

が

必ひつ

要よう

で

ある

。

Even after the reactor is shut down, removal of decay heat is necessary.

Kanji

崩crumble, die, demolish
壊demolition, break, destroy
熱heat, temperature, fever

Built from

崩ほう壊かい+熱ねつ

Etymology

Compound of 崩壊 (collapse, decay) and 熱 (heat), directly corresponding to the English term 'decay heat'.