chlorpromazine

noun

chlor·​prom·​a·​zine klȯr-ˈprä-mə-ˌzēn 

: a phenothiazine C₁₇H₁₉ClN₂S used chiefly as a tranquilizer especially in the form of its hydrochloride to control the symptoms of psychotic disorders (such as schizophrenia)

Examples of chlorpromazine in a Sentence

Recent Examples on the Web

The first antipsychotic medication, chlorpromazine, became available 70 years ago, and was followed by two waves of new treatments designed to alter dopamine pathways in the brain. —Ellen Barry, New York Times, 26 Feb. 2025

Two weeks ago, the US Food and Drug Administration approved a new antipsychotic drug that doesn’t target dopamine receptors — the first since chlorpromazine was first introduced. —Celia Ford, Vox, 7 Dec. 2018

Examples include digoxin, chlorpromazine, and isoniazid. —Sara Hoffman, Pharmd, Verywell Health, 2 July 2024

Meanwhile, new pharmaceuticals like chlorpromazine (also known as Thorazine) burst onto the scene, holding the promise to treat people with mental afflictions without the need for around-the-clock supervision. —Greg Rosalsky, NPR, 16 Apr. 2024

Word History

Etymology

chlor- + propyl + methyl + azine

First Known Use

1952, in the meaning defined above

Rhymes for chlorpromazine

• acetylene
• adenosine
• amphetamine
• anthropocene
• antipyrine
• apomorphine
• apoprotein
• aquamarine
• arsphenamine
• azobenzene
• buprenorphine
• chlorobenzene

Medical Definition

chlorpromazine

noun

chlor·​prom·​a·​zine klōr-ˈpräm-ə-ˌzēn, klȯr- 

: a phenothiazine derivative that has antipsychotic, sedative, and antiemetic properties and is used in the form of its hydrochloride C₁₇H₁₉ClN₂S·HCl especially to manage the symptoms of psychotic disorders (as schizophrenia) see largactil, thorazine