← Từ điển

radioactivity

C1 noun

radioactivity /ˌreɪdɪəʊakˈtɪvɪti/ nghĩa là sự phóng xạ

Các nghĩa

  1. sự phóng xạ

    Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.

    uncountable · usually

    As time passed, the radioactivity diminished.

    How dangerous are the levels of radioactivity?

    It was Marie Curie who discovered radioactivity.

  2. bức xạ phóng xạ

    The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc.

    uncountable · usually

Dạng khác