hydromorphone hydrochloride

[hī′drō-môrfōn′]

n.

A synthetic derivative of morphine used as a respiratory sedative and analgesic that is more potent than morphine.

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