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单词 carbon-date
释义

Definition of carbon-date in English:

carbon-date

verb
[with object]
  • 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 BC
    Example sentencesExamples
    • Now the city council has decided to have the horn recorded and carbon-dated amid fears it may not be as old as previously thought.
    • I have had it carbon-dated to 1790, so it is pre-Western contact.
    • In order to carbon-date something, samples of this carbon have to be done.
    • The wood is bog yew and is carbon-dated to be over 4,500 years old.
    • I miss the moonman, the old mottos, the actual videos, but this sentiment is old enough to be carbon-dated.
    • The top floor is the attic space, beautifully preserved with roof timbers carbon-dated to 1566.
    • The oldest glue in the world, carbon-dated to 8,110–8,310 years before present, has been found in Nahal Hemar Cave.
    • It had proved impossible to carbon-date the bone fragment accurately because of an absence of collagen from the sample.
    • Researching the items and carbon-dating them to make sure they were genuine took some time.
    • Some stromatolite fossils found in the Pilbarra region of northwestern Australia have been carbon-dated at around 3.5 billion years old!
    • The Dead Sea scrolls are carbon-dated between a span of about 68 BC to 124 AD.
    • They have been carbon-dated to between the early 7th and mid 8th century.
    • This delicate work has been carbon-dated to the 14th century but may be even earlier.
    • Stems, twigs and driftwood embedded in the sand and mud were used to carbon-date the core sections.
    • A lynx skull found in Scotland had previously been carbon-dated at 2,000 years old.
    • The areas where Holocene macrofossils have been located and carbon-dated are indicated by coloured zones to the north of the current treelines.
    • The press was full of news that the Turin Shroud was to be carbon-dated.
    Synonyms
    assign a date to, ascertain the date of, determine the date of, establish the date of, put a date on, put a date to, ascertain the age of, determine the age of, establish the age of
noun
  • 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
    Example sentencesExamples
    • It seems that either the Black Sea flood theory or the carbon-dates (or both) are wrong.
    • If confirmed, "that would be the oldest" radio carbon-date in the Americas obtained from a human bone.
    • The dates that they publish in this paper actually correspond to the carbon-dates we already have.
    • This summer I learned how to run carbon-dates at the Livermore Laboratory's CAMS facility.
    • I have a preliminary set of carbon-dates and will probably run another set in October.
    • The first radioactive carbon-dates were published in 1949.
    • Dr Bevan has been looking very carefully at some wonky carbon-dates, the occasional spurious date that doesn't seem to fit the conventional picture.
    • Furthermore, there was no pattern of younger to older in the carbon-dates that correlated with the evolutionary/uniformitarian 'ages'.

Definition of carbon-date in US English:

carbon-date

verbˈkärbənˌdātˈkɑrbənˌdeɪt
[with object]
  • 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 BC
    Example sentencesExamples
    • The press was full of news that the Turin Shroud was to be carbon-dated.
    • In order to carbon-date something, samples of this carbon have to be done.
    • A lynx skull found in Scotland had previously been carbon-dated at 2,000 years old.
    • The top floor is the attic space, beautifully preserved with roof timbers carbon-dated to 1566.
    • Some stromatolite fossils found in the Pilbarra region of northwestern Australia have been carbon-dated at around 3.5 billion years old!
    • The oldest glue in the world, carbon-dated to 8,110–8,310 years before present, has been found in Nahal Hemar Cave.
    • I miss the moonman, the old mottos, the actual videos, but this sentiment is old enough to be carbon-dated.
    • The areas where Holocene macrofossils have been located and carbon-dated are indicated by coloured zones to the north of the current treelines.
    • Researching the items and carbon-dating them to make sure they were genuine took some time.
    • I have had it carbon-dated to 1790, so it is pre-Western contact.
    • It had proved impossible to carbon-date the bone fragment accurately because of an absence of collagen from the sample.
    • Now the city council has decided to have the horn recorded and carbon-dated amid fears it may not be as old as previously thought.
    • Stems, twigs and driftwood embedded in the sand and mud were used to carbon-date the core sections.
    • This delicate work has been carbon-dated to the 14th century but may be even earlier.
    • They have been carbon-dated to between the early 7th and mid 8th century.
    • The wood is bog yew and is carbon-dated to be over 4,500 years old.
    • The Dead Sea scrolls are carbon-dated between a span of about 68 BC to 124 AD.
    Synonyms
    assign a date to, ascertain the date of, determine the date of, establish the date of, put a date on, put a date to, ascertain the age of, determine the age of, establish the age of
nounˈkärbənˌdātˈkɑrbənˌdeɪt
  • 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
    Example sentencesExamples
    • The first radioactive carbon-dates were published in 1949.
    • It seems that either the Black Sea flood theory or the carbon-dates (or both) are wrong.
    • The dates that they publish in this paper actually correspond to the carbon-dates we already have.
    • I have a preliminary set of carbon-dates and will probably run another set in October.
    • Dr Bevan has been looking very carefully at some wonky carbon-dates, the occasional spurious date that doesn't seem to fit the conventional picture.
    • Furthermore, there was no pattern of younger to older in the carbon-dates that correlated with the evolutionary/uniformitarian 'ages'.
    • This summer I learned how to run carbon-dates at the Livermore Laboratory's CAMS facility.
    • If confirmed, "that would be the oldest" radio carbon-date in the Americas obtained from a human bone.
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更新时间:2025/1/30 21:40:10