'Nitro group' definitions:

Definition of 'nitro group'

From: WordNet
noun
The group -NO3

Definition of 'Nitro group'

From: GCIDE
  • nitro- \ni"tro-\pref.
  • 1. A combining form or an adjective denoting the presence of niter. [1913 Webster]
  • 2. (Chem.) A combining form (used also adjectively) designating certain compounds of nitrogen or of its acids; as nitrohydrochloric, nitrocalcite; also, designating the group or radical NO2, or its compounds, as nitrobenzene (C6H5.NO2). [1913 Webster]
  • Nitro group, the radical NO2; -- called also nitroxyl. [1913 Webster]

Definition of 'nitro group'

From: GCIDE
  • Nitroxyl \Ni*trox"yl\, n. [Nitro- + oxygen + -yl.] (Chem.) The group -NO2, usually called the nitro group. [1913 Webster]