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abundance | [in 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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abundance | [in physics] the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present | |
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abundance, copiousness, teemingness | the property of a more than adequate quantity or supply |