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
nitrite, nitrituria, nitro, nitro compound, nitro dye, nitro group, nitro-, nitro-chalk, nitrobacteria, nitrobenzene, nitroblue tetrazolium test
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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