radioactive dating

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Related topics: Measurement

ˌradioactive ˈdating noun [uncountable] American English  TMa scientific method of calculating the age of a very old object by measuring the amount of a certain substance in it 放射性鉴年法 SYN British English carbon dating

ˌradioactive ˈdating nounChineseSyllable  

radioactive dating
ˌradioactive ˈdating noun [uncountable] American English
a scientific method of calculating the age of a very old object by measuring the amount of a certain substance in it
   SYN  carbon dating British English