nitro
1 Americanadjective
noun
combining form
-
indicating that a chemical compound contains a nitro group, -NO 2
nitrobenzene
-
indicating that a chemical compound is a nitrate ester
nitrocellulose
noun
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:
During this process, a nitro group is added to two locations on the protein, Y198 and Y250.
From Science Daily ● Jul. 24, 2026
“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
Now he’s trying to pay forward that help and support by renting Pritchett, a top-alcohol racer and longtime nitro crew member, the seat of his dragster for his top fuel debut.
From Los Angeles Times ● Nov. 15, 2024
They had transmuted carbon into radioactive nitro gen.
From "Big Science" by Michael Hiltzik
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An actual analysis of dynamite No. 1 made by the author at Hayle gave— Moisture, 0.92 per cent.; kieselguhr, 26.15 per cent.; and nitro- glycerine, 72.93 per cent., the last being obtained by difference.
From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)
Abel's Glyoxiline is only nitrated gun-cotton impregnated with nitro- glycerine.
From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)
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 actual nitration of cotton is not a dangerous operation, but the operations of wringing in the hydro-extractors, and washing the nitro- cotton after it leaves the first centrifugal machine, are somewhat so.
From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)
M. Chenel has found this process the best for the analysis of the nitro- naphthalenes, and for impervious substances like collodion or gun-cotton.
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.