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i·so·tope
 isotope
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- pronunciation:
- aI
s
top
- features:
- Word Combinations (noun), Word Parts
| part of speech: |
noun |
| definition: |
any of two or more atoms that have the same number of protons but differ in the number of neutrons, or that have the same atomic number but different atomic weights. (Cf. isobar.)
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| derivation: |
isotopic (adj.) |
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