Dictionary.com

nitro group

noun Chemistry.

the univalent group –NO2.

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Also called nitro radical.

Origin of nitro group

First recorded in 1885–90

Words nearby nitro group

nitrogen partition, nitrogen peroxide, nitrogen tetroxide, nitroglycerin, nitroglycerine, nitro group, nitrohydrochloric acid, nitrolic, nitromannitol, nitromersol, nitrometer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for nitro group

  • The residue of nitric acid which replaces hydrogen in benzene is the nitro-group, and the compound is nitrobenzene.

    Coal|Raphael Meldola