The Collaborative International Dictionary
molal
molal \molal\ adj. (Chem.) Being at a concentration with the designated number of moles (of solute) per 1000 grams of solvent; as, an 0.5 molal solution of glycerol in water. Compare molar.
Wiktionary
molal
a. (context chemistry English) Of or designating a solution that contains one mole of solute per 1000g of solvent
WordNet
molal
adj. designating a solution containing 1 mole of solute per 1000 grams of solvent [syn: molar]