| 单词 | radiocarbon |
| 释义 | radiocarbon /ray'dee oh kahr"beuhn/, n. Chem. 1. Also called carbon 14. a radioactive isotope of carbon with mass number 14 and a half-life of about 5730 years: widely used in the dating of organic materials. 2. any radioactive isotope of carbon. [1935-40; RADIO- + CARBON] |
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