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 Households can also use reverse osmosis filtering systems, but those can be expensive. Jen Christensen, CNN, 22 Mar. 2024 Li said this can include stainless steel filters that use nanofiltration technology or reverse osmosis filters that can help remove other plastic-like contaminants. Install a faucet filter. Alyssa Hui, Verywell Health, 14 Mar. 2024 But solar desalination has become a promising alternative to energy-intensive technologies in use today, such as reverse osmosis, Guo said. Julia Jacobo, ABC News, 21 Dec. 2023 However, the pumps used for reverse osmosis desalination require immense amounts of electricity—which raises questions on how to ensure this process is completed in an economical and energy-efficient way. IEEE Spectrum, 4 Dec. 2023 Finally, the water will be filtered once more, sometimes with reverse osmosis, so that the water is clean. Andrea Wurzburger, Better Homes & Gardens, 22 Nov. 2023 Commercial producers rely on reverse osmosis machines — which filter a decent bit of water from the sap before boiling — and powerful evaporators. Ashley Stimpson, Washington Post, 12 Mar. 2024 In 2021, the city required that all new desalination projects be built using what is widely considered the most efficient and eco-friendly desalination technology available: reverse osmosis. Arielle Paul, New York Times, 18 Nov. 2023 From its environmental management plan, featuring a reverse osmosis water system and hybrid solar power, to its support for local growers and producers, Southern Ocean Lodge exemplifies sustainable, luxury travel. Jordi Lippe-McGraw, Forbes, 16 Feb. 2024

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

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