A radioactive isotope of carbon; spec. = carbon-14 n. at carbon, n. 1b(c). Also: short for radiocarbon dating n. at compounds.
Chemistry. With a numeral, denoting a particular isotope of carbon. a long-lived radioactive isotope of carbon, mass number 14, which is the basis…
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。