English Dictionary

radioactive decay

名詞

可算名詞 不可算名詞

(physics) Any of several processes by which unstable nuclei emit subatomic particles and/or ionizing radiation and disintegrate into one or more smaller nuclei.

日本語の意味

（物理学）不安定な原子核が亜原子粒子や電離放射線を放出し、一つ以上のより小さな原子核に変わる現象

Scientists measured the rate of radioactive decay to estimate the age of the meteorite.

科学者たちは隕石の年代を推定するために放射性崩壊の速度を測定した。

意味（1）

(physics) Any of several processes by which unstable nuclei emit subatomic particles and/or ionizing radiation and disintegrate into one or more smaller nuclei.

radioactive decays （ plural ）