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nitrate

American  
[nahy-treyt, -trit, nahy-treyt] / ˈnaɪ treɪt, -trɪt, ˈnaɪ treɪt /

noun

nitrates plural
  1. Chemistry. a salt or ester of nitric acid, or any compound containing the univalent group –ONO 2 or NO 3 .

  2. fertilizer consisting of potassium nitrate or sodium nitrate.

  3. nitrocellulose.

  4. Informal. nitrate film.


verb (used with object)

nitrates, present (3rd person singular) nitrated, past participle, past nitrating present participle
  1. to treat with nitric acid or a nitrate.

  2. to convert into a nitrate.

nitrate British  
/ ˈnaɪtreɪt /

noun

  1. any salt or ester of nitric acid, such as sodium nitrate, NaNO 3

  2. a fertilizer consisting of or containing nitrate salts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr) to treat with nitric acid or a nitrate

  2. to convert or be converted into a nitrate

  3. to undergo or cause to undergo the chemical process in which a nitro group is introduced into a molecule

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
nitrate Scientific  
/ nītrāt′ /
  1. A salt or ester of nitric acid, containing the group NO 3. Nitrates dissolve extremely easily in water and are an important component of the nitrogen cycle.

  2. Compare nitrite


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Etymology

Origin of nitrate

First recorded in 1785–95; nitr- + -ate 2

Vocabulary lists containing nitrate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nitrate levels in tumor tissue stayed elevated for at least 24 hours after treatment, while nitrate levels in normal tissues dropped more quickly.

From Science Daily • Jun. 27, 2026

The Nitrate Picture Show felt like an antidote.

From The Wall Street Journal • Jun. 10, 2026

Nitrate offers a lot of promise as an oral health prebiotic.

From Salon • Jan. 30, 2024

You don't need to have been there and bought the bucket hat to know the songs: Parklife, Common People, Supersonic, Connection, Girl From Mars, Animal Nitrate.

From BBC • Jul. 15, 2023

Lunar Caustic, Nitrate of Silver.—Give a large teaspoonful of common salt, in a glass of water.

From Health, Happiness, and Longevity Health without medicine: happiness without money: the result, longevity by McCarty, Louis Philippe

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