Synonyms and Antonyms for radioactivity-unit

1. radioactivity unit (n.)

a measure of radioactivity

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2. radioactivity (n.)

the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

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4. unit (n.)

an individual or group or structure or other entity regarded as a structural or functional constituent of a whole

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6. unit (n.)

a single undivided whole

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7. unit (n.)

a single undivided natural thing occurring in the composition of something else

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