单词	radiocarbon
释义	radiocarbon /ˌreɪdɪəʊˈkɑːb(ə)n / noun [mass noun] Chemistry A radioactive isotope of carbon.Some of these neutrons react with nitrogen atoms in air, converting them into a radioactive isotope of carbon: carbon - 14 or radiocarbon, with eight neutrons in each nucleus.... Living organisms acquire a characteristic minor fraction of radiocarbon by equilibrating with the carbon dioxide of ambient air or surrounding waters. These data were compared with the distribution of radiocarbon in free glucose and fructose isolated from the same sample. Rhymes carbon, chlorofluorocarbon, graben, hydrocarbon, Laban
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