[ pi-raz-uh-lohn, pahy- ]
/ pɪˈræz əˌloʊn, paɪ- /
any of the group of heterocyclic compounds containing the pyrazoline ring in which one carbon atom is doubly linked to an oxygen atom not in the ring.
the parent compound, C3H4N2O.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for pyrazolone
[ pĭ-răz′ə-lōn′ ]
A class of nonsteroidal anti-inflammatory agents, such as phenylbutazone, used in the treatment of arthritis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.