reverse osmosis


: the movement of fresh water through a semipermeable membrane when pressure is applied to a solution (such as seawater) on one side of it

Examples of reverse osmosis in a Sentence

Recent Examples on the Web There’s also a dedicated kid’s playroom, a cocktail bar for adults, and a reverse osmosis well system with its own water supply. Emma Reynolds, Robb Report, 27 Dec. 2023 The plant would desalinate the water, probably using reverse osmosis, a common filtering technique. Rob L. Evans, Scientific American, 15 June 2023 This is typically done through a technique called reverse osmosis or by running the wine repeatedly through a centrifuge-like device called a spinning cone. Dave McIntyre, Washington Post, 18 Jan. 2024 But many factors determine the potable water output of a reverse osmosis system, including the pressure, flow rate, water salinity, and type of reverse osmosis membranes that are used. IEEE Spectrum, 21 Dec. 2023 Unlike reverse osmosis, which removes salt and other contaminants by pushing water through a semipermeable membrane, multistage flash distillation relies on heat. Arielle Paul, New York Times, 18 Nov. 2023 Out of all the water filters out there, reverse osmosis is typically seen as the most effective. Nor'adila Hepburn, Better Homes & Gardens, 9 May 2023 Then came reverse osmosis, a process with overtones of seventh-grade biology, which made another kind of substandard beer. Tamar Haspel, Washington Post, 28 Mar. 2023 Instead, large-scale reverse osmosis filtration systems may be the answer, Murphy said. Kevin McGill and Stephen Smith The Associated Press, Arkansas Online, 28 Oct. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'reverse osmosis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of reverse osmosis was in 1921

Dictionary Entries Near reverse osmosis

Cite this Entry

“Reverse osmosis.” Dictionary, Merriam-Webster, Accessed 5 Mar. 2024.

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