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nitro

1 American  
[nahy-troh] / ˈnaɪ troʊ /

adjective

  1. Chemistry. containing the nitro group.

noun

  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

Etymology

Origin of nitro1

First recorded in 1855–60; 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.

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

From MarketWatch

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

From MarketWatch

In response, users are exploring alternative platforms and canceling their subscriptions to Discord’s premium Nitro service.

From Slate

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

From BBC

Former Team GB sprinter Harry Aikines-Aryeetey - also known as Nitro in Gladiators - is no stranger to performing in front of audiences.

From BBC

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.