01 pref. A combining form or an adjective denoting the presence of niter.
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1.
A combining form or an adjective denoting the presence of niter.
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2.
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).(Chem.)
Phrases & compounds
Nitro group —
the radical NO2; -- called also nitroxyl.