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Uncommonradioactivity
The correct spelling is radioactivity.
How to pronounce radioactivity
noun
Say it like: Rad-ioa-cti-vit-ee
The correct spelling is radioactivity. Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.
Usage Examples
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Definition
noun
- 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.
Similar words
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