equivalent weight


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equivalent weight

n.
The weight of a substance that will combine with or replace one mole of hydrogen or one-half mole of oxygen. The equivalent weight is equal to the atomic weight divided by the valence.

equivalent weight

n
(Chemistry) the weight of an element or compound that will combine with or displace 8 grams of oxygen or 1.007 97 grams of hydrogen. Also called: gram equivalent

equiv′alent weight′


n.
the combining power, esp. in grams (gram equivalent), of an element or compound, equivalent to hydrogen as a standard of 1.00797 or oxygen as a standard of 8; the atomic weight divided by the valence.
[1925–30]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.equivalent weight - the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen
atomic mass, atomic weight, relative atomic mass - (chemistry) the mass of an atom of a chemical element expressed in atomic mass units
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