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carbon 14

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
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.

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.
ThesaurusLegend:  Synonyms Related Words Antonyms
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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Their conclusion was based on Carbon 14 analysis (C-14) following a protocol agreed to by the Vatican, with research performed in three laboratories chosen by the Archbishop of Turin.
That leaves the infamous ``fourth food group'' - chocolate - which recently was alleged to contain lead, mercury, zinc, carbon 14, ozone, radioactive iodine, used tire rubber and strontium 90.
Since the development of the carbon 14 dating method in the late 1940s, experts have recognized the technique does not work like a perfect clock.
 
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