adjective Chemistry.
(especially of organic compounds) containing the nitroso group; nitrosyl.

1880–85; independent use of nitroso- Unabridged


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

combining form of Latin nitrōsus full of natron, equivalent to nitr(um) native soda, natron (< Greek nítron soda) + -ōsus -ose1; see -o- Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
nitroso (naɪˈtrəʊsəʊ)
(modifier) of, consisting of, or containing the monovalent group O:N-: a nitroso compound
[C19: from Latin nitrōsus full of natron; see nitre]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

nitroso- pref.
Nitrosyl: nitrosobenzene.

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