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| a compound capable of changing state or becoming inactive when subjected to heat or radiation |
| noting compounds that readily decompose or change into other compounds |
| radiocarbon (ˌreɪdɪəʊˈkɑːbən) | |
| —n | |
| See carbon a radioactive isotope of carbon, esp carbon-14 | |
| radiocarbon (rā'dē-ō-kär'bən) Pronunciation Key
A radioactive isotope of carbon, especially carbon 14. Other radiocarbons include carbon 10, carbon 11, carbon 15, and carbon 16. |