nitroso

¹ American

[nahy-troh-soh] / naɪˈtroʊ soʊ /

adjective

Chemistry.

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

nitroso- ² American

especially before a vowel, nitros-.

a combining form of the nitroso group.

nitrosobenzene.

nitroso British

/ naɪˈtrəʊsəʊ /

noun

(modifier) of, consisting of, or containing the monovalent group O:N-

a nitroso compound

"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 nitroso¹

First recorded in 1880–85; independent use of nitroso-

Origin of nitroso-²

Combining form of Latin nitrōsus full of natron, equivalent to nitr ( um ) native soda, natron (< Greek nítron soda) + -ōsus -ose ¹; see -o-

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.

The principal chromophores are the azo, -N=N-, azoxy, =N2O, nitro, -NO2, nitroso, -NO, and carbonyl, =CO, groups.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

The mixture is now placed in a hood and the nitroso dimethylaniline added all at once, or as rapidly as possible.

From Organic Syntheses by Conant, James Bryant

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023