- Chemistry. containing the nitro group.
Origin of nitro
First recorded in 1855–60; see origin at nitro-
- a combining form of the nitroso group: nitrosobenzene.
Also especially before a vowel, nitros-.
Origin of nitroso-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
Word Origin and History for nitros
abbreviation of nitroglycerine, 1935, slang.
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.