decay : Idioms & Phrases
alpha decay
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noun radioactive decay of an atomic nucleus that is accompanied by the emission of an alpha particle
WordNet
beta decay
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noun radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle
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exponential decay
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noun a decrease that follows an exponential function
exponential return.
WordNet
radioactive decay
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noun the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
disintegration; decay.
WordNet
tooth decay
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noun soft decayed area in a tooth; progressive decay can lead to the death of a tooth
cavity; caries; dental caries.