beta decay
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Beta_decay.jpg/200px-Beta_decay.jpg)
Noun
[edit]beta decay (countable and uncountable, plural beta decays)
- (nuclear physics) A nuclear reaction in which a beta particle (electron or positron) is emitted.
Translations
[edit]nuclear reaction
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