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[rey-dee-oh-kahr-buh n] /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.
1935-40; radio- + carbon Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for radiocarbon
  • We don't hear about the flaws in radiocarbon dating.
  • New radiocarbon dating results support the environmental explanation.
  • Studies of sediment and radiocarbon dating showed the bone's age.
  • They dazzled us with their fancy fossils, their radiocarbon dating and their tens of thousands of peer-reviewed journal articles.
  • radiocarbon dating of the drawings or nearby bear bones may provide a more accurate estimate of when these ancient artists lived.
  • The scientists radiocarbon-dated and otherwise tested fossilized shells in the layered seafloor sediment.
  • Scientists used a form of radiocarbon dating to determine the ages of the layers.
  • But the newfound corn remains revealed a lot, via radiocarbon dating and other tests.
  • radiocarbon dating on a small sample would definitively establish a date of the structure.
  • In the meantime, he carefully removed one tooth from each of four skulls and sent them to a lab for radiocarbon dating.
British Dictionary definitions for radiocarbon


a radioactive isotope of carbon, esp carbon-14 See carbon (sense 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
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radiocarbon in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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