radioactivity

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Noun

radioactivity (uncountable)

1. Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.
2. The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc.

Related terms

• radiation

Translations

• French: radioactivité
• German: Radioaktivität
• Portuguese: radioatividade
• Russian: радиоакти́вность
• Spanish: radioactividad

Translations

• French: radioactivité
• German: Radioaktivität
• Portuguese: radioatividade
• Russian: радиоакти́вность
• Spanish: radioactividad

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