アイソトープ

noun

isotope

Scientific term used in physics and chemistry. Refers to variants of a chemical element with the same number of protons but different numbers of neutrons. The Japanese term 同位体 is a synonym.

See also: 同位体

• 炭たん素そ14は放ほう射しゃ性せいアイソトープです。

  Carbon-14 is a radioactive isotope.

• この実じっ験けんでは安あん定ていアイソトープを使つかいます。

  We use stable isotopes in this experiment.