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carbon 14

radiocarbon (def 1).
Also, carbon-14
[kahr-buh n-fawr-teen, -fohr-] /ˈkɑr bən fɔrˈtin, -foʊr-/ (Show IPA)
Origin of carbon 14
1935-40 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for carbon-14
Historical Examples
  • The case of carbon-14 is an example of a permanent man-made modification of the environment.

    Atoms, Nature, and Man Neal O. Hines
carbon-14 in Science
carbon 14  
A naturally occurring radioactive isotope of carbon having six protons and eight neutrons in the nucleus. Carbon 14 is important in dating archaeological and biological remains by radiocarbon dating.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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carbon-14 in Culture

carbon 14 definition

A radioactive isotope of carbon. A carbon 14 atom contains six protons, six electrons, and eight neutrons. Carbon 14 is produced when neutrons bombard atoms of nitrogen.

Note: Carbon 14 is used in a common form of radioactive dating to determine the age of ancient objects.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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