1906 A. Smith xii. 199 It is called, therefore, the gram-molecular volume (G.M.V.) or the molar volume... It may be defined as that volume which contains one mole (gram-molecular weight) of any gas at 0° and 760 mm.
1931 E. C. Miller ii. 51 A solution made up after this manner is termed a ‘molar’,..‘gram-molecular’, or ‘molecular’ normal solution.