phenothiazine

noun
phe·​no·​thi·​a·​zine | \ ˌfē-nō-ˈthī-ə-ˌzēn How to pronounce phenothiazine (audio) \

Definition of phenothiazine

1 : a greenish-yellow crystalline compound C12H9NS used as an anthelmintic and insecticide especially in veterinary practice
2 : any of various phenothiazine derivatives (such as chlorpromazine) that are used as tranquilizing agents especially in the treatment of schizophrenia

First Known Use of phenothiazine

1894, in the meaning defined at sense 1

History and Etymology for phenothiazine

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The first known use of phenothiazine was in 1894

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Cite this Entry

“Phenothiazine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phenothiazine. Accessed 15 Jun. 2021.

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More Definitions for phenothiazine

phenothiazine

noun
phe·​no·​thi·​azine | \ ˌfē-nō-ˈthī-ə-ˌzēn How to pronounce phenothiazine (audio) \

Medical Definition of phenothiazine

1 : a greenish yellow crystalline compound C12H9NS used as an anthelmintic and insecticide especially in veterinary practice

called also thiodiphenylamine

2 : any of various phenothiazine derivatives (as chlorpromazine) that are used as tranquilizing agents especially in the treatment of schizophrenia

More from Merriam-Webster on phenothiazine

Britannica.com: Encyclopedia article about phenothiazine

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