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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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for equivalent weight
Historical Examples
  • Loads, creels, etc., of turf should be converted to the equivalent weight.

    Report on the Cost of Living in Ireland Ministry of Economic Affairs
  • It is not absolutely necessary to commit the formula and equivalent weight to memory.

    The Potter's Craft Charles F. Binns
  • Stocks of wheat (and of flour expressed in its equivalent weight of wheat) are held by merchants, millers and farmers.

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

    The Potter's Craft Charles F. Binns
  • Similarly, if we weigh the liquid before and after the experiment, we shall find that it has lost an equivalent weight.

    The Mechanism of Life Stphane Leduc
British Dictionary definitions for equivalent weight

equivalent weight

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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