Definition of ABUNDANCES

noun : ABUNDANCES

Source: WordNet 3.1

  • 2. (

    ) (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present ;

  • 3. (

    ) (chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million ;


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