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; -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 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

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

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