柯林斯詞典carbon dating 1. N-UNCOUNT Carbon dating is a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains. 放射性碳素斷代; 碳定年法 返回 carbon dating劍橋詞典a method of calculating the age of extremely old objects by measuring the amount of a particular type of carbon in them （計算古物年代的）碳年代測定法，碳定年法 返回 carbon dating