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.

安定同位体 (あんていどういたい) Japanese meaning | Kotomora

安あん定てい同どう位い体たい

あ

ん

て

い

ど

う

い

た

い

Meanings

1

stable isotope

Technical term in physics and chemistry. Refers to isotopes that do not undergo radioactive decay.

炭たん素その安あん定てい同どう位い体たいには炭たん素そ12と炭たん素そ13が

ある

。

Stable isotopes of carbon include carbon-12 and carbon-13.

Kanji

安relax, cheap, low
定determine, fix, establish
同same, agree, equal
位rank, grade, throne
体body, substance, object

Related words

放ほう射しゃ性せい同どう位い体たい
Radioactive isotope; contrasts with 安定同位体, which does not decay.

Built from

安あん定てい+同どう位い体たい

Etymology

Compound of 安定 (stable) + 同位体 (isotope).