ni·​trate | \ ˈnī-ˌtrāt How to pronounce nitrate (audio) , -trət \

Definition of nitrate

1 : a salt or ester of nitric acid
2 : sodium nitrate or potassium nitrate used as a fertilizer

Examples of nitrate in a Sentence

Recent Examples on the Web Both the Actinomyces and Veillonella can turn nitrate—found in foods like spinach and other leafy greens—into nitrite, which allows our cells to make nitric oxide which helps with vital functions like controlling blood pressure. Popular Science, "This photo confirms that your tongue is basically a microbe party," 20 Apr. 2020 To pull this off, scientists used a tiny fluidic oscillator, a device with no moving parts that’s completely driven by gas produced by lithium nitrate crystals. David Hambling, Popular Mechanics, "In the 1970s, the CIA Created a Robot Dragonfly Spy. Now We Know How It Works.," 18 Feb. 2020 Both are sources of nitrate problems, but contamination can come from septic systems and other sources, as well. Lee Bergquist, Milwaukee Journal Sentinel, "DNR pushes ahead with plans for stricter farming practices to fight nitrate pollution," 10 Dec. 2019 The regulations would target regions that are susceptible to nitrates, a source of groundwater pollution. Molly Beck, Milwaukee Journal Sentinel, "Assembly passes bipartisan package of bills aimed at improving water quality," 18 Feb. 2020 Machine learning has not yet been widely used in assessing other issues in ocean chemistry, like ocean acidification, deoxygenation or nitrate concentrations, but Dr. Hemami said there was significant promise in that area. Tatiana Schlossberg, New York Times, "A.I. Is Helping Scientists Understand an Ocean’s Worth of Data," 8 Apr. 2020 Foods that contain nitrites or nitrates—including bacon, grilled or smoked meats, and even some fruits and vegetables—can fuel a chemical reaction in the stomach that creates NDMA. Michele Cohen Marill, Wired, "The FDA Asks Companies to Stop Selling Ranitidine," 9 Apr. 2020 Evers is directing state agencies to start the process of creating a rule that will govern the level of nitrates that will be allowable. USA TODAY, "Milestone rhino, Bigfoot shooting, jailed for feeding cats: News from around our 50 states," 1 Aug. 2019 The Arizona Department of Health Services recommends that well owners test their water annually for bacteria and nitrates and every five years for arsenic and other toxic metals. Debra Utacia Krol, azcentral, "You won't contract coronavirus from Phoenix-area tap water. Here's why," 24 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nitrate.' 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 nitrate

1788, in the meaning defined at sense 1

History and Etymology for nitrate

French, from nitrique

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Time Traveler for nitrate

Time Traveler

The first known use of nitrate was in 1788

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Statistics for nitrate

Last Updated

14 Jun 2020

Cite this Entry

“Nitrate.” Dictionary, Merriam-Webster, Accessed 16 Jul. 2020.

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More Definitions for nitrate


How to pronounce nitrate (audio)

English Language Learners Definition of nitrate

: a chemical compound that contains oxygen and nitrogen and that is used in fertilizer


ni·​trate | \ ˈnī-ˌtrāt How to pronounce nitrate (audio) \

Kids Definition of nitrate

: a substance that is made from or similar in composition to nitric acid


ni·​trate | \ ˈnī-ˌtrāt, -trət How to pronounce nitrate (audio) \

Medical Definition of nitrate

: a salt or ester of nitric acid

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More from Merriam-Webster on nitrate

Rhyming Dictionary: Words that rhyme with nitrate

Spanish Central: Translation of nitrate

Nglish: Translation of nitrate for Spanish Speakers Encyclopedia article about nitrate

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