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definitions

nitro

[nahy-troh]
adjective
  1. Chemistry. containing the nitro group.
noun
  1. nitroglycerin.

Origin of nitro

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

nitroso-

  1. a combining form of the nitroso group: nitrosobenzene.
Also especially before a vowel, nitros-.

Origin of nitroso-

combining form of Latin nitrōsus full of natron, equivalent to nitr(um) native soda, natron (< Greek nítron soda) + -ōsus -ose1; see -o-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for nitros

nitro

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
Word Origin and History for nitros

nitro

n.

abbreviation of nitroglycerine, 1935, slang.

Online Etymology Dictionary, © 2010 Douglas Harper
nitros in Medicine

nitroso-

pref.
  1. Nitrosyl:nitrosobenzene.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.