Definition of "pre-op" [pre-op]

• Preoperative: pre-op testing; a pre-op patient. (adjective)
• A preoperative patient. (noun)
• A section of a hospital providing preoperative treatment. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "OK, I'm up WAY too early, and about to head out the door to my pre-op appointment."
• "Our Surgery Guide will help you and your family prepare for your child's upcoming surgery, outlining what to expect from the first pre-op visit all the way through to her discharge."
• "*Commerically available specialized supplement programs exist that combine all these building block ingredients into one formulation for ease of use, provide specific amounts of each appropriate supplement to support healing and delineate which vitamins should be taken pre-op and post-op."