noun Pharmacology.

any of a class of antipsychotics, as haloperidol, used to relieve symptoms of schizophrenia, acute psychosis, or other severe psychiatric disorders.

Nearby words

  1. butyrate,
  2. butyric,
  3. butyric acid,
  4. butyrin,
  5. butyroid,
  6. butyryl,
  7. butyryl group,
  8. buxom,
  9. buxomly,
  10. buxtehude

Origin of butyrophenone

First recorded in 1940–45; butyr(ic) + -o- + phen- + -one

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for butyrophenone


[byōō-tĭr′ō-fə-nōn, byōō′tə-rō-]


Any of a group of neuroleptic drugs, such as haloperidol, administered in the treatment of acute psychotic episodes, schizophrenia, and other psychiatric disorders.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.