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  • nitro
    nitro
    adjective
    containing the nitro group.
  • nitro-
    nitro-
    a combining form used in the names of chemical compounds in which the nitro group is present.

nitro

1 American  
[nahy-troh] / ˈnaɪ troʊ /

adjective

  1. Chemistry. containing the nitro group.


noun

nitros plural
  1. nitroglycerin.

nitro- 2 American  
  1. a combining form used in the names of chemical compounds in which the nitro group is present.

    nitroglycerin.


nitro- 1 British  

combining form

  1. indicating that a chemical compound contains a nitro group, -NO 2

    nitrobenzene

  2. indicating that a chemical compound is a nitrate ester

    nitrocellulose

"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

nitro 2 British  
/ ˈnaɪtrəʊ /

noun

  1. slang short for nitroglycerine

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of nitro1

First recorded in 1855–60; see origin at nitro-

Origin of nitro-2

Combining form of Greek nítron. See niter

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.

See Examples For:

“This is pure geopolitical nitro, leaving bulls high-fiving over the chokepoint drama,” he noted.

From MarketWatch Feb. 27, 2026

Instead, the nitro boost they needed came from those already on the pitch - and some Kiwi indiscipline.

From BBC Nov. 15, 2025

Taco is asking for money like an NPR host during a fund drive pounding nitro cold brew.

From Los Angeles Times Apr. 16, 2024

It was the tune, Cher's “Believe,” that injected nitro into my run for the exit.

From Salon Oct. 20, 2023

They had transmuted carbon into radioactive nitro gen.

From "Big Science" by Michael Hiltzik

The nitro- glycerine residue is treated with strong alcohol, decanted, and the residue of paraffin and sulphur washed with alcohol, dried, and weighed.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

The nitrates of potassium and barium are also used admixed with nitro- cellulose in several of the sporting smokeless powders.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

It consists of nitro-jute or nitro- cotton, with or without nitrates, treated with a solvent to form a gelatinised mass.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

It is a nitro-cellulose powder, a mixture of insoluble and soluble nitro- cellulose together with the nitrates of barium and potassium, and a small percentage of calcium carbonate.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

Maxim powder contains both soluble and insoluble nitro- cellulose, nitro-glycerine, and carbonate of soda.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

Founded and owned by Raúl Rodas, a former barista champion, this two-year-old place serves a modern yet no-frills array of excellent pour-overs, nitros, flat whites and cold brews.

From New York Times Aug. 10, 2017

He thought it the most delicious smell in the world; and so continued to think it for many years until the nitros displaced the old-fashioned compounds.

From The Adventures of Bobby Orde by Brehm, Worth

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