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
According to Bapple, water begins in reverse osmosis tanks and is transported to the top of the growing stacks.
—
Nia Bowers, USA Today, 28 May 2026
When shopping, look for filters certified to NSF/ANSI Standard 53 (for contaminant reduction) or Standard 58 (for reverse osmosis), and confirm that PFOA and PFOS are specifically listed on the certification.
—Ryan Brennan
may 27, Miami Herald, 27 May 2026
When shopping, experts recommend looking for NSF/ANSI Standard 53 certification for contaminant reduction or Standard 58 certification for reverse osmosis systems.
—Ryan Brennan
may 27, Kansas City Star, 27 May 2026
But these massive facilities, which use standard methods such as reverse osmosis and thermal distillation, are dirty.
—Mrigakshi Dixit, Interesting Engineering, 27 May 2026
See All Example Sentences for reverse osmosis
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Nia Bowers, USA Today, 28 May 2026
When shopping, look for filters certified to NSF/ANSI Standard 53 (for contaminant reduction) or Standard 58 (for reverse osmosis), and confirm that PFOA and PFOS are specifically listed on the certification.
—Ryan Brennan
may 27, Miami Herald, 27 May 2026
When shopping, experts recommend looking for NSF/ANSI Standard 53 certification for contaminant reduction or Standard 58 certification for reverse osmosis systems.
—Ryan Brennan
may 27, Kansas City Star, 27 May 2026
But these massive facilities, which use standard methods such as reverse osmosis and thermal distillation, are dirty.
—Mrigakshi Dixit, Interesting Engineering, 27 May 2026
See All Example Sentences for reverse osmosis
Cite this Entry
“Reverse osmosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reverse%20osmosis. Accessed 4 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
