Radiocarbon is a type of carbon which is radioactive, and which therefore breaks up slowly at a regular rate. Its presence in an object can be measured in order to find out how old the object is.
The most frequently used method is radiocarbon dating.
radiocarbon in British English
(ˌreɪdɪəʊˈkɑːbən)
noun
a radioactive isotope of carbon, esp carbon-14
carbon (sense 1)
radiocarbon in American English
(ˌreɪdioʊˈkɑrbən)
US
noun
carbon-14
see also carbon
Examples of 'radiocarbon' in a sentence
radiocarbon
The results of their radiocarbon dating tests have come through.