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ra·di·o·i·so·tope
 radioisotope
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- pronunciation:
- reI
di
o
aI
s
top
- features:
- Word Combinations (noun), Word Parts
| part of speech: |
noun |
| definition: |
an unstable isotope that emits subatomic particles or energy in decaying to a more stable state.
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| derivation: |
radioisotopic (adj.) |
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