Explore Words Kanji Grammar Guides

Copyright © 2026 Kotomora. All Rights Reserved.

Get the Kotomora apps for iOS and Android.

Explore Words Kanji Grammar Guides About Support Privacy

Copyright © 2026 Kotomora. All Rights Reserved.

崩壊系列 (houkaikeiretsu) Japanese meaning: decay chain | Kotomora

崩ほう壊かい系けい列れつ

ほ

う

か

い

け

い

れ

つ

Meanings

1

decay chain; decay series

Technical term in nuclear physics for the sequence of radioactive decays from a parent nuclide to a stable daughter.

ウラン238の崩ほう壊かい系けい列れつは最さい終しゅう的てき

に

鉛なまり

206

に

なる

。

The decay chain of uranium-238 eventually leads to lead-206.

Kanji

崩crumble, die, demolish
壊demolition, break, destroy
系lineage, system
列file, row, rank

Word family

放ほう射しゃ性せい崩ほう壊かい系けい列れつ
radioactive decay series

Built from

崩ほう壊かい+系けい列れつ

Etymology

Compound of 崩壊 (ほうかい, 'decay, collapse') and 系列 (けいれつ, 'series, sequence').