Radioactive decay
Similar term(s): radioactive disintegration.
Definition:
The decrease in the [radiation intensity] of any radioactive material with the passage of time due to the spontaneous emission of radiation from an atomic nucleus.
Source: University of Harvard Environmental Health & Safety
More:
The end product – called decay product, daughter product, daughter isotope or daughter nuclide – is a less energetic, more stable nucleus. Each decay process has a definite half-life.
Source: GreenFacts
Related words:
Translation(s):
Español: Desintegración radiactiva
Français: Désintégration radioactive
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