radioactivity
(ra-di-o-ac-tiv-i-ty)
7 syllables
Definition
noun. the natural process by which some atoms spontaneously disintegrate, emitting both particles and energy as they transform into different, more stable atoms.
Example Sentence
French physicist Henri Becquerel opened a drawer and discovered spontaneous radioactivity.
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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