equivalent weight

American  

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.

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equivalent weight British  

noun

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

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Etymology

Origin of equivalent weight

First recorded in 1925–30

Example Sentences

“The training also encourages offices to use social media to communicate both hazards with equivalent weight, to make it clear that both threats are possible during an event,” Boustead said.

From Washington Post

Part of this new generation, the Ever Given is a veritable giantcompared to older models, able to carry the equivalent weight of 1,600 Statues of Liberty across the ocean.

From Salon

It's the equivalent weight of almost four London buses.

From BBC

Hydrogen is the most abundant element in the universe and stores more energy than a battery of equivalent weight.

From Reuters

Block 10, which is the equivalent weight of 71 London double decker buses and more than 23m long and 24m wide, is loaded on to the barge at Hebburn using self-propelled modular trailers.

From BBC