carbon dating
noun/ˌkɑːbən ˈdeɪtɪŋ/
/ˌkɑːrbən ˈdeɪtɪŋ/
(also formal radiocarbon dating)
[uncountable]- a method of calculating the age of very old objects by measuring the amounts of different forms of carbon in themTopics Scientific researchc1, Historyc1
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carbon dating