radioactivity
(ra-di-o-ac-tiv-i-ty)
7 syllables
Definition
noun. the process by which unstable atomic nuclei lose energy by emitting radiation.
Example Sentence
French physicist Henri Becquerel opened a drawer and discovered spontaneous radioactivity.
More Example Sentences
Radioactivity can be dangerous to health.
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radioactivity
Rhymes
- activity
- captivity
- festivity
- nativity
- passivity
- proclivity
- aggressivity
- conductivity
- connectivity
- creativity
- exclusivity
- expressivity
- inactivity
- negativity
- objectivity
- productivity
- progressivity
- reactivity
- receptivity
- reflexivity
- relativity
- selectivity
- sensitivity
- subjectivity
- hyperactivity
- insensitivity
- interactivity
- retroactivity
- oversensitivity
- radioactivity
- superconductivity