equivalent weight
noun Chemistry.
the combining power, especially 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.
Origin of equivalent weight
First recorded in 1925–30
Words nearby equivalent weight
equivalency,
equivalent,
equivalent air speed,
equivalent circuit,
equivalent focal length,
equivalent weight,
equivalve,
equivocal,
equivocally,
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equivocation
British Dictionary definitions for equivalent weight
equivalent weight
noun
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