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Definition of Osmotic pressure
1. Noun. (physical chemistry) the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane.
Generic synonyms: Force Per Unit Area, Pressure, Pressure Level
Specialized synonyms: Hypertonicity, Hypotonicity
Definition of Osmotic pressure
1. Noun. (physics) The hydrostatic pressure exerted by a solution across a semipermeable membrane from a pure solvent; the pressure needed to counteract osmosis ¹
¹ Source: wiktionary.com
Medical Definition of Osmotic pressure
1. See: osmosis. The pressure required to prevent osmotic flow across a semi permeable membrane separating two solutions of different solute concentration. Equal to the pressure that can be set up by osmotic flow in this system. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Osmotic Pressure
Literary usage of Osmotic pressure
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Text-book of physiology: For Medical Students and Physicians by William Henry Howell (1915)
"On the assumption that a molecule in solution exerts an osmotic pressure that is
exactly equal to the gas-pressure exerted by a gas molecule moving in the ..."
2. Principles of General Physiology by William Maddock Bayliss (1920)
"osmotic pressure OF COLLOIDS The osmotic pressure of a solution is found to be,
... The measurement of osmotic pressure is thus the most valuable means of ..."
3. The Encyclopædia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1910)
"This equilibrium pressure is called the osmotic pressure of the solution, ...
Van Ч Hoff pointed out that measurements of osmotic pressure confirmed this ..."
4. The Journal of General Physiology by Society of General Physiologists, Rockefeller Institute, Rockefeller Institute for Medical Research (1920)
"The actual measurements of osmotic pressure of solutions of cane sugar made by
... The value of the osmotic pressure of a solution as defined above must ..."
5. Science by American Association for the Advancement of Science (1900)
"Van't Hoff observed from Pfeffer's results, that the osmotic pressure exerted
... Having found this one relation between osmotic pressure and gas-pressure, ..."
6. Chemical Abstracts by American Chemical Society (1908)
"The osmotic pressure of Concentrated Solutions, and the Laws of the Perfect ...
After showing that the law of van't Hoff for osmotic pressure and that of ..."
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