Definition of carbon-12 in English:

carbon-12

noun

mass noun

The commonest natural carbon isotope, of mass 12. It is the basis for the accepted scale of atomic mass units.
Example sentencesExamples
- The variability of the carbon-13/carbon-12 ratio in honeys was evaluated preliminary to use of the ratio to detect the addition of high-fructose corn syrup.
- All life needs Carbon 12 to live, all plants and animals.
- In 1961 the isotope carbon-12 was selected to replace oxygen as the standard relative to which the atomic weights of all the other elements are measured.

Definition of carbon-12 in US English:

carbon-12

nounˌkärbənˈtwelv

The most common natural carbon isotope, of mass 12. It is the basis for the accepted scale of atomic mass units.
Example sentencesExamples
- In 1961 the isotope carbon-12 was selected to replace oxygen as the standard relative to which the atomic weights of all the other elements are measured.
- All life needs Carbon 12 to live, all plants and animals.
- The variability of the carbon-13/carbon-12 ratio in honeys was evaluated preliminary to use of the ratio to detect the addition of high-fructose corn syrup.

单词	carbon-12
释义	Definition of carbon-12 in English: carbon-12 noun mass noun The commonest natural carbon isotope, of mass 12. It is the basis for the accepted scale of atomic mass units. Example sentencesExamples The variability of the carbon-13/carbon-12 ratio in honeys was evaluated preliminary to use of the ratio to detect the addition of high-fructose corn syrup. All life needs Carbon 12 to live, all plants and animals. In 1961 the isotope carbon-12 was selected to replace oxygen as the standard relative to which the atomic weights of all the other elements are measured. Definition of carbon-12 in US English: carbon-12 nounˌkärbənˈtwelv The most common natural carbon isotope, of mass 12. It is the basis for the accepted scale of atomic mass units. Example sentencesExamples In 1961 the isotope carbon-12 was selected to replace oxygen as the standard relative to which the atomic weights of all the other elements are measured. All life needs Carbon 12 to live, all plants and animals. The variability of the carbon-13/carbon-12 ratio in honeys was evaluated preliminary to use of the ratio to detect the addition of high-fructose corn syrup.
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