Molecular Weight 2 : Or relative molecular mass. (1) The mass of a molecule of a substance referred to that of an atom of '2C taken as 12. 00. (2) The sum of the relative atomic masses of the constituent atoms of a molecule
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}