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operating room

a specially equipped room, usually in a hospital, where surgical procedures are performed.
Abbreviation: OR.
Origin of operating room
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for operating-room
Historical Examples
  • To Mr. Brooks and Mr. Reid I owe my promotion from the messenger's station to the operating-room.

  • "I might put you in a corner of the operating-room, to be sure," he said thoughtfully.

    The Tinted Venus F. Anstey
  • Tell the doctor to take me down to the operating-room and cure me or not let me wake up.

  • Carlotta Harrison pleaded a headache, and was excused from the operating-room and from prayers.

    K Mary Roberts Rinehart
  • The operating-room of a telegraph office is an excellent school for a young man.

  • When are you going to put my protegee into the operating-room?

    K Mary Roberts Rinehart
  • There had been a night operation, following on a busy day, and the operating-room nurses needed help.

    Love Stories Mary Roberts Rinehart
  • Two reasons had prompted Wilson to request to have Sidney in the operating-room.

    K Mary Roberts Rinehart
  • It was a telephone message from Dr. Carmon, asking to have the operating-room ready for an appendicitis case in ten minutes.

    Aunt Jane Jennette Lee
  • He was in high spirits that first day of Sidney's operating-room experience.

    K Mary Roberts Rinehart
operating-room in Medicine

operating room n.
A room equipped for performing surgical operations.

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