- (especially of organic compounds) containing the nitroso group; nitrosyl.
Origin of nitroso
First recorded in 1880–85; independent use of nitroso-
- 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
- (modifier) of, consisting of, or containing the monovalent group O:N-a nitroso compound
C19: from Latin nitrōsus full of natron; see nitre
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