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
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