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.

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.
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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
References in periodicals archive ?
The firm uses radioactive tritium and carbon 14 in products for the medical industry.
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.
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.
The process of Carbon 14 dating by a timber specialist at the Museum of London confirmed these were about 800 years old.
Carbon 14, which was used in the procedure limits the margin of error in terms of elapsed time to 25 years.
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.
By monitoring carbon 14 originally emitted from Cold War-era nuclear bomb tests, researchers have found that heart muscle cells continue to divide throughout adulthood.
Hence fossils cannot be many thousands of years old, or there would be no detectable carbon 14.