radioactivity
Meaning
- (uncountable, usually) Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.
- (uncountable, usually) The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc.
Synonyms
Translations
radioactivité
Radioaktivität
radioattività
radioactividad
ραδιενέργεια
radioactivitat
radioatividade
radioactiviteit
إشعاعية
ışınırlıkFrequency
Etymology
From radioactive + -ity or radio- + activity.
Notes
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