osmotic pressure

noun

, Physical Chemistry.

1. the force that a dissolved substance exerts on a semipermeable membrane, through which it cannot penetrate, when separated by it from pure solvent.

osmotic pressure

noun

1. the pressure necessary to prevent osmosis into a given solution when the solution is separated from the pure solvent by a semipermeable membrane

Word History and Origins

Origin of osmotic pressure¹

First recorded in 1885–90

Example Sentences

In regard to the rle of heat of dilution in connection with osmotic pressure, see Bancroft, J. Phys.

From Project Gutenberg

An admirable review of the theories of osmotic pressure, by Lovelace, will be found in the Am.

From Project Gutenberg

It is therefore natural to look for the cause of osmotic pressure in kinetic phenomena and not in attractions.

From Project Gutenberg

This term must not be confounded with the term osmotic pressure, which has been defined on p. 10.

From Project Gutenberg

We will turn now to the consideration of evidence bearing on the theory of ionization, found in the data on osmotic pressure.

From Project Gutenberg