azine Chem.
(ˈæzɪn, -aɪn, -iːn, eɪ-)
Also azin.
[f. azo- + -ine5.]
a. An organic compound containing the group {b2}N{b1} N{b2}. b. One of a group of heterocyclic organic compounds with two, three, four, etc., nitrogen atoms in a six-atom ring (thus diazine, triazine, tetrazine, etc.), used esp. as dyes.
| 1887 Jrnl. Chem. Soc. LII. 383 Whilst the whole group of substances..should be termed quinoxaline bases, it will be convenient to divide them into two sub-groups. 1. The quinoxalines proper.. 2. The azines, in which the nitrogen-ring is in union with two other rings. 1893 Ibid. LXIV. i. 15 The synthesis of azine dyes. 1910 Encycl. Brit. VIII. 746/2 Basic colours derived from coal-tar:..azine green [etc.]. 1959 Chambers's Encycl. IV. 693/1 Azine, Oxazine, Thiazine, Acridine and Pyronine dyestuffs contain a central pyrazine or similar ring. Ibid. 693/2 The indulines and nigrosines are important azine type dyes. |