molal
adjective
mol·al ˈmō-ləl 
: of, relating to, or containing a mole of solute per 1000 grams of solvent
molality
mō-ˈla-lə-tē
noun 
Word History
Etymology
mole entry 5
First Known Use
1905, in the meaning defined above
Medical Definition
molal
adjective
mol·al ˈmō-ləl
: of, relating to, or containing a mole
the molal volume of a gas is 22.4 liters at standard conditions
especially : of, relating to, or containing a mole of solute per 1000 grams of solvent
a molal solution