[pree-an-uh s-thet-ik, pree-an-]
a substance that produces a preliminary or light anesthesia.
given prior to an anesthetic that induces total insensibility.
Origin of preanesthetic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.