radiocarbon

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radio|car|bon /r'eɪdioʊk'ɑːrbən/
also radio carbon
[N-UNCOUNT] usu N n
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.

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