carbon 14

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(ˌreɪ di oʊˈkɑr bən)

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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

carbon 14

A naturally occurring radioactive isotope of carbon that is important in dating archaeological and biological remains by the technique known as radiocarbon dating. See more at radiocarbon dating.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.carbon 14 - a radioactive isotope of carbon
atomic number 6, carbon, C - an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
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References in periodicals archive ?
The typical technique involves measuring radioactive carbon (carbon 14) in a fossil to calculate when the organism died, and thus the age of the surrounding sediment.
Where the skeletons are of persons who died after World War II, bomb pulse carbon 14 dating can provide a narrower range of time period in which the deaths occurred.
This isotopeaa less stable version of normal carbonais called Carbon 14. Scientists measure carbon 14 levels during the Radiocarbon Dating process.
In this study, researchers from NO's Northeast Fisheries Science Center (NEFSC) and the Woods Hole Oceanographic Institution (WHOI) compared radiocarbon values from the shark vertebrae with reference chronologies documenting the marine uptake of carbon 14 produced by the atmospheric bomb testing.
Carbon 14 features 14 projects by 21 collaborators, a diverse group that includes filmmakers, poets, musicians, economists, policy makers and ecotheologians.
Highlighting how climate change is not just an environmental issue but a cultural one too, Carbon 14 offers unique perspectives on biodiversity and extinction, sustainability and resiliency, old and new clean technologies, and the roles of art, poetry, politics, economics, and ethics in making the changes needed to save our planet.
Documentary evidence from the Newminster Abbey in Morpeth indicates that a fulling mill which processed cloth was operating at the location early that century - and recent Carbon 14 dating of timbers in the bank confirm that the finds date to that period.
We are constantly bombarded with it from the sun, we can see its effects as static on the TV and our bodies contain radioactive Carbon 14.
By monitoring carbon 14, originally emitted from bomb tests during the Cold War nuclear era, they found that heart muscle cells continue to divide throughout adulthood.