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formula weight

noun, Chemistry
(of a molecule) molecular weight.
(of an ionic compound that does not form molecules) the sum of the atomic weights of the atoms of the formula unit. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for formula weight
  • If you will be reporting in molarity or normality, you will need to know the molecular or formula weight of the substance.
formula weight in Medicine

formula weight n.
See molecular weight.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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