radio carbon

radiocarbon

[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

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World English Dictionary
radiocarbon (ˌreɪdɪəʊˈkɑːbən)
 
n
See carbon a radioactive isotope of carbon, esp carbon-14

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
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
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