thiazine

noun

thi·​a·​zine ˈthī-ə-ˌzēn 

: any of various compounds that are characterized by a ring composed of four carbon atoms, one sulfur atom, and one nitrogen atom and include some important as dyes and others as tranquilizers compare phenothiazine

Word History

Etymology

International Scientific Vocabulary thi- + azine

First Known Use

1900, in the meaning defined above

Medical Definition

thiazine

noun

thi·​a·​zine ˈthī-ə-ˌzēn 

: any of various compounds that are characterized by a ring composed of four carbon atoms, one sulfur atom, and one nitrogen atom and include some that are important as dyes and others that are important as tranquilizers see phenothiazine