[pree-op-er-uh-tiv, -uh-rey-tiv, -op-ruh-tiv]
occurring or related to the period or preparations before a surgical operation.
Origin of preoperative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
[prē-ŏp′ər-ə-tĭv, -ŏp′rə-, -ŏp′ə-rā′-]
Preceding a surgical operation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.