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radiocarbon

American  
[rey-dee-oh-kahr-buhn] / ˌreɪ di oʊˈkɑr bən /

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.


radiocarbon British  
/ ˌreɪdɪəʊˈkɑːbən /

noun

  1. a radioactive isotope of carbon, esp carbon-14 See carbon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

radiocarbon Scientific  
/ rā′dē-ō-kärbən /
  1. A radioactive isotope of carbon, especially carbon 14. Other radiocarbons include carbon 10, carbon 11, carbon 15, and carbon 16.


Etymology

Origin of radiocarbon

First recorded in 1935–40; radio- + carbon

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To avoid disturbing the sites further, the team relied on radiocarbon dating of clam shells and deer bones that were originally collected some 50 years ago.

From Science Daily

The group included anthropologists, geneticists, an archaeologist, an archaeobotanist, stable isotope specialists, radiocarbon experts, and dentists.

From Science Daily

Researchers examined numerous hippopotamus fossils using both genetic and radiocarbon dating methods.

From Science Daily

But new, more reliable radiocarbon dating of human and animal bones found at the site puts the age at between 39,000 and 42,000 years old.

From BBC

Organisers of the dig will now study the findings, but they say they are confident radiocarbon analysis of the artefacts will confirm this was the location of Erenagh's long lost monastery.

From BBC