Definitions for "Molecular weight"
Keywords:  dalton, atom, grams, constituent, mass
The sum of the atomic weights of a molecule's constituent atoms.
the sum of the atomic weights in a molecule. For example, the molecular weight of water is 18, because the atomic weight of each of the hydrogen molecules is 1 and the atomic weight of oxygen is 16. See mole
Weight (mass) of a molecule based on the sum of the atomic weights of the atoms that make up the molecule.