a branch of medicine dealing with acute illness and other medical emergencies.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The branch of medicine that deals with evaluation and initial treatment of medical conditions caused by trauma or sudden illness.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.