Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

phenothiazine

play
noun phe·no·thi·a·zine \ˌfē-nō-ˈthī-ə-ˌzēn\

Definition of phenothiazine

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

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



Origin and Etymology of phenothiazine

International Scientific Vocabulary


First Known Use: 1894


Medical Dictionary

phenothiazine

play
noun phe·no·thi·azine \ˌfē-nō-ˈthī-ə-ˌzēn\

Medical Definition of phenothiazine

  1. 1:  a greenish yellow crystalline compound C12H9NS used as an anthelmintic and insecticide especially in veterinary practice—called also thiodiphenylamine

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




Learn More about phenothiazine


Seen and Heard

What made you want to look up phenothiazine? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the lowest point

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

fox-in-summer-forest

Which of these is a synonym of inchoate?

experimental frightening formless massive
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ