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ra·di·o·ac·tive
 radioactive
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- pronunciation:
- reI
di
o
aek
tihv
- features:
- Word Explorer, Word Parts
| part of speech: |
adjective |
| definition 1: |
emitting energy or subatomic particles as a result of the decay of unstable isotopes.
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| definition 2: |
of or pertaining to an unstable isotope or instruments used to handle unstable isotopes.
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| derivation: |
radioactively (adv.) |
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