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nitro group

noun

, Chemistry.
  1. the univalent group –NO 2 .

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Word History and Origins

Origin of nitro group1

First recorded in 1885–90

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Example Sentences

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

The nitro group behaves very similarly to the hydroxyl group.

Entrance of a nitro group strengthens the poisonous character.

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nitroglycerinenitrohydrochloric acid

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