preoperative

[ pree-op-er-uh-tiv, -uh-rey-tiv, -op-ruh-tiv ]
/ priˈɒp ər ə tɪv, -əˌreɪ tɪv, -ˈɒp rə tɪv /

adjective

occurring or related to the period or preparations before a surgical operation.

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Origin of preoperative

First recorded in 1900–05; pre- + operative

OTHER WORDS FROM preoperative

pre·op·er·a·tive·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for preoperative

preoperative
[ prē-ŏpər-ə-tĭv, -ŏprə-, -ŏpə-rā′- ]

adj.

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