from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a group of neuroleptic drugs, such as haloperidol, administered in the treatment of acute psychotic episodes, schizophrenia, and other psychiatric disorders.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several pharmaceuticals used to treat psychiatric disorders.
butyr(ic) + phen- + -one.(American Heritage® Dictionary of the English Language, Fourth Edition)
From butyro- + -phenone. (Wiktionary)