/ Dictionary / Index N nitrosobenzene: Meaning and Definition of Find definitions for: ni•tro•so•ben•zene Pronunciation: (nī-trō"sō-ben'zēn, -ben-zēn'), [key] — n. Chem. a blue, crystalline, water-insoluble solid, CHNO, that is green as a molten solid or in solution. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nitroso nitroso group Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language