Definition of osmolality in English:


Syllabification: os·mo·lal·i·ty
Pronunciation: /ˌäzməˈlalitē


  • The concentration of a solution expressed as the total number of solute particles per kilogram.
    More example sentences
    • They are also regulatory organs, controlling the volume and the composition of the body fluids and maintaining the correct osmolality, ion concentrations, and acid - base status of the body.
    • The osmolality of all prepared solutions was measured with an osmometer.
    • The important factors in the production of phlebitis by amino acid solutions were osmolality and the amount of potassium infused per day.


1950s: blend of osmotic (see osmosis) and molal, + -ity.

More definitions of osmolality

Definition of osmolality in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
a powerful whirlpool in the sea