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Related to carbon 14: Carbon 14 dating
ra•di•o•car•bon(ˌreɪ di oʊˈkɑr bən)
1. Also called carbon 14. a radioactive isotope of carbon with mass number 14 and a half-life of about 5730 years: widely used in the dating of organic materials.
2. any radioactive isotope of carbon.
A naturally occurring radioactive isotope of carbon that is important in dating archaeological and biological remains by the technique known as radiocarbon dating. See more at radiocarbon dating.