thiazole

plural thiazoles

1. chemistryAny of a class of unsaturated heterocyclic compounds containing a ring of three carbon atoms, a sulphur and a nitrogen atom; especially the simplest one, C₃H₃SN

   Many heterocyclic bodies prepared synthetically have been manufactured upon a technical scale, because of their coloring and therapeutic properties. This is true of the dyes of [...] the thiazole-group, and also of the important febrifuges, [...]

   1891, Victor von Richter, translated by Edgar F. Smith, edited by Prof. R. Anschütz, Victor von Richter's Organic Chemistry; or, Chemistry of the Carbon Compounds, 3rd American edition, from the 8th German edition, volume II, Philadelphia: P. Blakiston's Son & Co., translation of original in German, published 1899, →OCLC, page 443