or·​tho·​phos·​phate | \ˌȯr-thə-ˈfäs-ˌfāt \

Definition of orthophosphate 

: a salt or ester of orthophosphoric acid

Examples of orthophosphate in a Sentence

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IDEM's round of water testing also looked for levels of copper and orthophosphate, an anti-corrosion treatment, according to the state environmental agency, and found concentrations in line with federal requirements. Craig Lyons, Post-Tribune, "Officials: No 'system-wide' issues with East Chicago water," 6 June 2017 A hydrologist might neutralize that with a standard corrosion inhibitor like orthophosphate. WIRED, "The Crisis in Flint Isn’t Over. It’s Everywhere.," 28 May 2017 The city also treats its water with orthophosphate, a food additive that creates a protective film on the inside of pipes that prevents lead from leaching into the water. Kate Taylor, New York Times, "Lead Problems Elsewhere Prompt New York Schools to Show Drinking Water Is Safe," 23 Mar. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'orthophosphate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of orthophosphate

1859, in the meaning defined above

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The first known use of orthophosphate was in 1859

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or·​tho·​phos·​phate | \ˌȯr-thə-ˈfäs-ˌfāt \

Medical Definition of orthophosphate 

: a salt or ester of orthophosphoric acid

Comments on orthophosphate

What made you want to look up orthophosphate? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

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