carbon dating

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

ˌcarbon ˈdating noun [uncountable] SXa method of finding out the age of very old objects by measuring the amount of carbon in them 碳定年法

Examples from the Corpus

carbon dating• Tests on 16 fossilised shellfish showed that acid dating is as accurate as carbon dating.• Excavators have been reluctant to put dates to their finds and one can understand why. carbon dating being expensive.

finding the age a method of out Corpus very of

carbon dating
ˌcarbon ˈdating

noun [uncountable]
a method of finding out the age of very old objects by measuring the amount of carbon in them

carbon dating

BrE

/ˌkɑːbən ˈdeɪtɪŋ/

NAmE

/ˌkɑːrbən ˈdeɪtɪŋ/

(

also formal

ˌradiocarbon ˈdating

)

noun

[uncountable]

a method of calculating the age of very old objects by measuring the amounts of different forms of

in them 碳定年法（根据测定古物不同形态的碳含量以计算年代）