| 单词 | radiocarbon |
| 释义 | radiocarbon[ rey-dee-oh-kahr-buhn ] / ˌreɪ di oʊˈkɑr bən / noun Chemistry.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. any radioactive isotope of carbon. Origin of radiocarbonFirst recorded in 1935–40; radio- + carbon Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for radiocarbonradiocarbon / (ˌreɪdɪəʊˈkɑːbən) / nouna radioactive isotope of carbon, esp carbon-14See carbon (def. 1) Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for radiocarbonradiocarbon [ rā′dē-ō-kär′bən ] A radioactive isotope of carbon, especially carbon 14. Other radiocarbons include carbon 10, carbon 11, carbon 15, and carbon 16. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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