a crystalline, water-insoluble powder, C21H26ClN3OS, used chiefly as a tranquilizer and in the treatment of intractable hiccoughs and nausea and vomiting.
Origin of perphenazine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A crystalline compound used as a tranquilizer especially in the treatment of psychosis and to prevent or alleviate nausea and vomiting.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.