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
Example Sentences
Recent Examples on the Web Full-house systems or under-the-sink reverse osmosis are also an eye sore, meant to be hidden and need to be installed by a professional technician. 
Emma Reynolds, Robb Report, 22 July 2022 Wisewell claims to remove more pollutants and even tiny microplastics than the average reverse osmosis filter, using its four-stage Full Spectrum Filtration technology. Emma Reynolds, Robb Report, 22 July 2022 The water for general household use, like bathrooms, runs through a 5-micron particle filter and a carbon block filter, while drinking and cooking water goes through a reverse osmosis filter. CNN, 20 June 2022 The pipeline would prevent concentrated waste generated by the East County project’s reverse osmosis filtration system from entering into the city’s own $5 billion Pure Water sewage recycling project now under construction. Joshua Emerson Smith, San Diego Union-Tribune, 17 May 2022 Desalination works by separating water molecules from salty seawater through reverse osmosis. Stephanie Elam, CNN, 12 May 2022 The primary difference is that most reverse osmosis water filters use multiple filter types to remove more contaminants than carbon filters alone. Jamie Kim, Good Housekeeping, 3 May 2022 However, some reverse osmosis systems also remove minerals that some may prefer to leave in. Jamie Kim, Good Housekeeping, 3 May 2022 That allows for suction that is powerful enough to overcome reverse osmosis. Joshua Hawkins, BGR, 29 Apr. 2022 See More
Emma Reynolds, Robb Report, 22 July 2022 Wisewell claims to remove more pollutants and even tiny microplastics than the average reverse osmosis filter, using its four-stage Full Spectrum Filtration technology. Emma Reynolds, Robb Report, 22 July 2022 The water for general household use, like bathrooms, runs through a 5-micron particle filter and a carbon block filter, while drinking and cooking water goes through a reverse osmosis filter. CNN, 20 June 2022 The pipeline would prevent concentrated waste generated by the East County project’s reverse osmosis filtration system from entering into the city’s own $5 billion Pure Water sewage recycling project now under construction. Joshua Emerson Smith, San Diego Union-Tribune, 17 May 2022 Desalination works by separating water molecules from salty seawater through reverse osmosis. Stephanie Elam, CNN, 12 May 2022 The primary difference is that most reverse osmosis water filters use multiple filter types to remove more contaminants than carbon filters alone. Jamie Kim, Good Housekeeping, 3 May 2022 However, some reverse osmosis systems also remove minerals that some may prefer to leave in. Jamie Kim, Good Housekeeping, 3 May 2022 That allows for suction that is powerful enough to overcome reverse osmosis. Joshua Hawkins, BGR, 29 Apr. 2022 See More Word History
First Known Use
1921, in the meaning defined above