reverse osmosis
noun Date: 1955 the movement of freshwater through a semipermeable membrane when pressure is applied to a solution (as seawater) on one side of it

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • reverse osmosis — n. 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… …   English World dictionary

  • Reverse osmosis — Schematics of a reverse osmosis system (desalination) using a pressure exchanger. 1: Sea water inflow, 2: Fresh water …   Wikipedia

  • reverse osmosis — atvirkštinis osmosas statusas T sritis chemija apibrėžtis Tirpalo koncentravimas slėgiu pro pusiau laidžią membraną. atitikmenys: angl. reverse osmosis rus. обратный осмос …   Chemijos terminų aiškinamasis žodynas

  • reverse osmosis — reverse′ osmo′sis n. chem. a process in which pure water is produced by forcing waste or saline water through a semipermeable membrane …   From formal English to slang

  • reverse osmosis — noun (chemistry) a method of producing pure water; a solvent passes through a semipermeable membrane in a direction opposite to that for natural osmosis when it is subjected to a hydrostatic pressure greater than the osmotic pressure • Topics:… …   Useful english dictionary

  • reverse osmosis — noun Chemistry a process by which a solvent passes through a porous membrane in the direction opposite to that for natural osmosis when subjected to a hydrostatic pressure greater than the osmotic pressure …   English new terms dictionary

  • reverse osmosis — /rəvɜs ɒzˈmoʊsəs/ (say ruhvers oz mohsuhs) noun a water purifying technique by which a fluid moves under pressure through a membrane from a high solute concentration to a lesser concentration. Compare osmosis …   Australian English dictionary

  • reverse osmosis — Chem. the process in which pure water is produced by forcing waste or saline water through a semipermeable membrane. [1950 55] * * * …   Universalium

  • reverse osmosis — noun a technique whereby a solution is forced through a semipermeable membrane under pressure; used to generate drinkable water from sea water, or to separate …   Wiktionary

  • reverse osmosis — the passage of solvent across a semipermeable membrane going from a solution of greater to one of lesser solute concentration, i.e., in the opposite direction from the usual; it is caused by application of hydrostatic pressure to the solution… …   Medical dictionary

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