osmotic pressure

noun

Definition of osmotic pressure

: the pressure produced by or associated with osmosis and dependent on molar concentration and absolute temperature: such as
a : the maximum pressure that develops in a solution separated from a solvent by a membrane permeable only to the solvent
b : the pressure that must be applied to a solution to just prevent osmosis

Examples of osmotic pressure in a Sentence

Recent Examples on the Web Variables that could affect the viability of the viral membrane could include changes in osmotic pressure, evaporation rates, and pH, Shaman says. Jon Cohen, Science | AAAS, "Why do dozens of diseases wax and wane with the seasons—and will COVID-19?," 13 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'osmotic pressure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of osmotic pressure

1888, in the meaning defined above

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The first known use of osmotic pressure was in 1888

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Cite this Entry

“Osmotic pressure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/osmotic%20pressure. Accessed 2 Mar. 2021.

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More Definitions for osmotic pressure

osmotic pressure

noun

Medical Definition of osmotic pressure

: the pressure produced by or associated with osmosis and dependent on molar concentration and absolute temperature: as
a : the maximum pressure that develops in a solution separated from a solvent by a membrane permeable only to the solvent
b : the pressure that must be applied to a solution to just prevent osmosis

More from Merriam-Webster on osmotic pressure

Britannica.com: Encyclopedia article about osmotic pressure

Comments on osmotic pressure

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