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nitro group
nitro group n.
Brit. 
/ˈnʌɪtrə(ʊ) ɡruːp/
, /ˈnʌɪtrə(ʊ) ɡruːp/U.S. /ˈnaɪtroʊ ˌɡrup/
[compare German Nitrogruppe (1885 or earlier)] the group —NO2, esp. when bonded to a carbon atom as a functional group in organic compounds./ˈnaɪtroʊ ˌɡrup/ΘΚΠ
the world > matter > chemistry > chemical substances > acids > [noun] > acid radicals
persulphate1813
suberyl1836
nitrion1868
stearyl1868
nitroxyl1871
nitro group1877
haloacyl1951
mevalonate1957
1877 H. Watts Fownes's Man. Elem. Chem. II. 446 Only one nitro-group is obtained in the first instance, so that nitro-amido compounds are obtained.
1938 C. D. Hurd in H. Gilman Org. Chem. I. vii. 628 The peculiar activity of the fourth nitro group in C(NO2)4 should be mentioned.
1988 Q. N. Myrvik & R. S. Weiser Fund. Med. Bacteriol. & Mycol. (ed. 2) vi. 88 (table) After partial reduction of the nitro group, the activated drug causes strand breaks in DNA.
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