orthophosphate

noun

: a salt or ester of orthophosphoric acid

Examples of orthophosphate in a Sentence

Recent Examples on the Web
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.
The chemical, called dipotassium orthophosphate, is tasteless, odorless and safe for consumption, according to Aurora Superintendent of Water Production Bob Leible. R. Christian Smith, Chicago Tribune, 7 May 2026 Since 1996, the city has treated its water with orthophosphate. Joey Schamber, jsonline.com, 6 May 2026 To study how the orthophosphate would work in the distribution system, experiments were run using lead service lines that were actually removed from houses in Aurora, Leible said. R. Christian Smith, Chicago Tribune, 18 Feb. 2026 Lead levels in drinking water have declined significantly with the service line replacements and with the addition of orthophosphate, a food-grade additive that can protect pipes from corrosion, to the water. Jen Christensen, CNN, 20 Feb. 2024 Fluoride, chlorine and orthophosphate are added to the water just prior to leaving the treatment plants. Claire Reid, Journal Sentinel, 19 Feb. 2024 The Water Department continually treats city water with a chemical called orthophosphate that creates a film on the inside of pipes and plumbing and forms a hard barrier that prevents lead from leaching into the water. Peter Krouse, cleveland, 9 Dec. 2021

Word History

First Known Use

1859, in the meaning defined above

Time Traveler
The first known use of orthophosphate was in 1859

Browse Nearby Words

Cite this Entry

“Orthophosphate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthophosphate. Accessed 28 Jul. 2026.

Medical Definition

orthophosphate

noun
: a salt or ester of orthophosphoric acid
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster