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Definition of Reverse osmosis
1. 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.
Definition of Reverse osmosis
1. Noun. (chemistry) a technique whereby a solution is forced through a semipermeable membrane under pressure; used to generate drinkable water from sea water, or to separate chemical compounds ¹
¹ Source: wiktionary.com