a method of extracting essentially pure, fresh water from polluted or salt water by forcing the water under pressure against a semipermeable membrane, which passes the pure water molecules and filters out salts and and other dissolved impurities
reverse osmosis
reverse osmosis 
An illustration comparing Osmosis to Reverse Osmosis.
reverse osmosis
Reverse osmosis is a way to get clean water out of dirty water or salt water by forcing water under pressure through a membrane.
An example of reverse osmosis is the process of filtering polluted water under pressure.
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"reverse osmosis." YourDictionary, n.d. Web. 20 March 2019. <https://www.yourdictionary.com/reverse-osmosis>.
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reverse osmosis. (n.d.). Retrieved March 20th, 2019, from https://www.yourdictionary.com/reverse-osmosis
reverse osmosis
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"reverse osmosis." YourDictionary, n.d. Web. 20 March 2019. <https://www.yourdictionary.com/reverse-osmosis>.
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reverse osmosis. (n.d.). Retrieved March 20th, 2019, from https://www.yourdictionary.com/reverse-osmosis
reverse osmosis
noun
A process by which a solvent such as water is purified of solutes by being forced through a semipermeable membrane through which the solvent, but not the solutes, can pass.
reverse osmosis
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"reverse osmosis." YourDictionary, n.d. Web. 20 March 2019. <https://www.yourdictionary.com/reverse-osmosis>.
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reverse osmosis. (n.d.). Retrieved March 20th, 2019, from https://www.yourdictionary.com/reverse-osmosis
A method of producing pure water by forcing saline or impure water through a semipermeable membrane across which salts or impurities cannot pass. Reverse osmosis is used for water filtration, for desalinization of seawater, and in kidney dialysis machines.
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"reverse osmosis." YourDictionary, n.d. Web. 20 March 2019. <https://www.yourdictionary.com/reverse-osmosis>.
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reverse osmosis. (n.d.). Retrieved March 20th, 2019, from https://www.yourdictionary.com/reverse-osmosis
English Wiktionary. Available under CC-BY-SA license.
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"reverse osmosis." YourDictionary, n.d. Web. 20 March 2019. <https://www.yourdictionary.com/reverse-osmosis>.
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reverse osmosis. (n.d.). Retrieved March 20th, 2019, from https://www.yourdictionary.com/reverse-osmosis
WORDS NEAR reverse osmosis IN THE DICTIONARY
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