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1. Nitrate; niter: nitrobacterium.
a. Nitrogen: nitrile.
b. Containing the univalent group NO2: nitromethane.
[New Latin, from Latin nitrum, natron; see niter.]
nitro-or before a vowel
1. (Chemistry) indicating that a chemical compound contains a nitro group, -NO2: nitrobenzene.
2. (Chemistry) indicating that a chemical compound is a nitrate ester: nitrocellulose.
[from Greek nitron natron]
1. the univalent group NO2.
a combining form used in the names of chemical compounds in which the nitro group is present: nitroglycerin.
[comb. form of Greek nítron. See niter]