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ra·di·o·car·bon
 radiocarbon
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- pronunciation:
- reI
di
o
kar
b
 n
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| definition: |
a radioactive isotope of carbon, esp. the isotope that has a nuclear mass of fourteen daltons and is often used in determining the age of various organic materials; carbon 14.
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