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.

radiocarbon

/ ˌreɪdɪəʊˈkɑːbən /

noun

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

radiocarbon

1. A radioactive isotope of carbon, especially carbon 14. Other radiocarbons include carbon 10, carbon 11, carbon 15, and carbon 16.

Word History and Origins

Origin of radiocarbon¹

First recorded in 1935–40; radio- + carbon

Example Sentences

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.

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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.

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Combining the radiocarbon dates with archaeological information revealed that early Neolithic activity, including the digging of pits, took place around 3,650BC.

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"However, after running numerous radiocarbon dates, it became clear they were built much earlier."

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According to radiocarbon dating, the cauldrons date back to the late Bronze Age, i.e. they were in use around 2,700 years ago.

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