antipyrine definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a white, crystalline powder, (CH)(CH)CHNO, formerly used to relieve pain and to reduce fever, and currently used in solution with benzocaine for acute otitis media
Origin: ; from antipyretic plush -ine
antipyrine definition by American Heritage Dictionary
A toxic white powder, C11H12N2O, formerly used to reduce fever and relieve pain.
Origin: Originally a trademark.