English
wikipedia
Noun
radioactivity
- Spontaneous emission of radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.
- The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc.
Related terms
radioactive
Translations
Chinese: ��线 (fà ng shè xià n)
French: radioactivité f
German: Radioaktivität f
mid
Italian: radioattività f
Spanish: radioactividad f
See also
half-life
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