equivalent weight

noun

, Chemistry.

1. 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.

equivalent weight

noun

1. 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 calledgram equivalent

Word History and Origins

Origin of equivalent weight¹

First recorded in 1925–30

Example Sentences

The plane flew at an average of 30 miles per hour to maximize energy savings, and, despite an enormous wing span, it was only able to carry the equivalent weight of one automobile.

From Washington Post

These figures are, however, given in equivalents and each must be multiplied by the equivalent weight of the substance used.

From Project Gutenberg

Similarly, if we weigh the liquid before and after the experiment, we shall find that it has lost an equivalent weight.

From Project Gutenberg

Stocks of wheat (and of flour expressed in its equivalent weight of wheat) are held by merchants, millers and farmers.

From Project Gutenberg

It is not absolutely necessary to commit the formula and equivalent weight to memory.

From Project Gutenberg

Loads, creels, etc., of turf should be converted to the equivalent weight.

From Project Gutenberg