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  1. carbon-date

    • IPA[ˈkärbənˌdāt]

    美式

    • v.
      determine the age or date of (organic matter) from the relative proportions of the carbon isotopes carbon-12 and carbon-14 that it contains
    • n.
      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
    • verb: carbon-date, 3rd person present: carbon-dates, gerund or present participle: carbon-dating, past tense: carbon-dated, past participle: carbon dated

    • noun: carbon date, plural noun: carbon dates

    • 釋義

    動詞

    • 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 a rock painting from Catal Hyuk in Turkey has been carbon-dated to 6200

    名詞

    • 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