reverse osmosis

noun

: 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

These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Replacing the pipes can treat this issue, although a more affordable solution is to install a reverse osmosis filter or water softener. —

Timothy Dale, Better Homes & Gardens, 9 Oct. 2024 Culligan recommends changing its charcoal filters every two to six months; reverse osmosis filters every three to five years; and whole-home systems every several years. —

Jeffrey Kluger, TIME, 9 Aug. 2024 For example, Dupont’s reverse osmosis membranes are used for filtration in areas with spotty access to clean water. —

Paulina Likos, CNBC, 9 Aug. 2024 But the options are endless, from simple $20 charcoal-filter pitchers to reverse osmosis, point-of-entry, or ultraviolet filters. —

Jeffrey Kluger, TIME, 9 Aug. 2024 See all Example Sentences for reverse osmosis

Word History

First Known Use

1921, in the meaning defined above

Time Traveler

The first known use of reverse osmosis was in 1921

See more words from the same year

Cite this Entry

Style

“Reverse osmosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reverse%20osmosis. Accessed 16 Nov. 2024.

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