formula weight

noun Chemistry.
1.
(of a molecule) molecular weight.
2.
(of an ionic compound that does not form molecules) the sum of the atomic weights of the atoms of the formula unit.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To formula weight
Example sentences
If you will be reporting in molarity or normality, you will need to know the molecular or formula weight of the substance.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature