osmolalityn.
/ˌɒzmə(ʊ)ˈlalᵻti/, U.S. /ˌɑzmoʊˈlælədi/ Biochemistry.
The osmolal concentration of a solution. Cf. osmolarity n.
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the world > life > biology > laboratory analysis > measure > [noun] > ratio
Weber's law1864
multiplicity1947
osmolality1947
osmolarity1948
the world > life > biology > biological processes > movement > [noun] > diffusion through porous membrane > osmolarity or osmolality
osmolality1947
osmolarity1948
1947 Proc. Royal Soc. B. 135 55 From these figures and the volume of water in the blood passing the needle in the same time, the increase so produced in the osmolality of the carotid blood was calculated.
1959 Q. Jrnl. Med. 52 237 The blood was centrifuged, and the plasma osmolality (m-osmoles per kg.) estimated from the freezing-point depression.
1963 Jrnl. Amer. Med. Assoc. 31 Aug. 699/1 Normal subjects are characterized by an initial serum osmolality between 273 and 293 milliosmoles (mOsm) per kilogram.
1974 Nature 12 Apr. 605/1 Controls of the osmotic pressure of the solutions of inorganic ions..showed that their osmolalities were practically independent of temperature.
1996 Swimming Times May 29/2 Glucose polymer solutions may have a similar osmolality to a 4% carbohydrate drink but they will empty more slowly from the stomach because their energy content is greater.
This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).
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n.1947