| radiation(noun, energy, calefaction, fallout) | |
| activity(noun, vigor, liveliness, vitality, get-up-and-go) | |
| contamination(noun, energy) | |
| electricity(noun, strength, vigor, heat, service) | |
| energy(noun, power, vigor, liveliness, vitality) | |
| plutonium | |
| radioactivities | |
| x-ray(noun, look) | |
| acid | |
| action | |
| activeness | |
| alkali | |
| alpha decay | |
| alpha particles(expression, idiom, calefaction) | |
| application(noun, strength, vigor, heat, service) | |
| aqua | |
| artificial radioactivity | |
| background radiation(expression, idiom, calefaction) | |
| beta decay | |
| beta rays(expression, idiom, calefaction) |
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| APA | Smart Define. (2015). radioactivity thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/radioactivity/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "radioactivity thesaurus" https://smartdefine.org/radioactivity/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, radioactivity thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/radioactivity/thesaurus/synonyms>. |
| MLA | Smart Define. "radioactivity thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/radioactivity/thesaurus/synonyms> |