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    carbon-date

    verb

    • 1. determine the age or date of (organic matter) from the relative proportions of the carbon isotopes carbon-12 and carbon-14 that it contains: "it proved impossible to carbon-date the bone fragment accurately"

    noun

    • 1. the age or date of organic matter as determined by the relative proportions of the carbon isotopes carbon-12 and carbon-14 that it contains: "the carbon dates were all in the last 5,000 to 10,000 years"

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