thiazine

noun
thi·​a·​zine | \ˈthī-ə-ˌzēn \

Definition of thiazine 

: 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

First Known Use of thiazine

1900, in the meaning defined above

History and Etymology for thiazine

International Scientific Vocabulary thi- + azine

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The first known use of thiazine was in 1900

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thiazine

noun
thi·​a·​zine | \ˈthī-ə-ˌzēn \

Medical Definition of thiazine 

: 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

More from Merriam-Webster on thiazine

Britannica.com: Encyclopedia article about thiazine

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