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carbon 14

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carbon 14

 
Use carbon 14 in a Sentence
–noun
radiocarbon (def. 1).
Also, car⋅bon-14  [kahr-buhn-fawr-teen, -fohr-] .

Origin:
1935–40
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ra⋅di⋅o⋅car⋅bon

  [rey-dee-oh-kahr-buhn]
–noun Chemistry.
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.
Origin:
1935–40; radio- + carbon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To carbon 14
carbon 14  
n.  A naturally radioactive carbon isotope with atomic mass 14 and half-life 5,730 years, used in determining the age of ancient organic, geologic, or archaeological specimens.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

carbon 14

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.
Cite This Source
Medical Dictionary

Main Entry: carbon 14
Pronunciation: -(')fOr(t)-'tEn, -(')for(t)-
Function: noun
: a heavy radioactive isotope of carbon of mass number 14 used especially intracer studies and in dating archaeological and geological materials

Main Entry: ra·dio·car·bon
Pronunciation: "rAd-E-O-'kär-b&n
Function: noun
: radioactive carbon; especially : CARBON 14
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
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.
radiocarbon   (rā'dē-ō-kär'bən)  Pronunciation Key 
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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Carbon Fiber Sheets
Very durable, rigid and lightweight Sheets, angle and more.
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