| NOUN | act | radiocarbon dating, carbon dating, carbon-14 dating | a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14 |
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| Meaning | A chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14; believed to be reliable up to 40,000 years. | |
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| Synonyms | carbon dating, carbon-14 dating | |
| Broader | dating, geological dating | Use of chemical analysis to estimate / estimate the age of geological specimens |