operating room

American  

noun

• operating rooms
  plural

1. a specially equipped room, usually in a hospital, where surgical procedures are performed. OR

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Other Word Forms

Noun Inflected Forms

• operating rooms
  plural

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Etymology

Origin of operating room

First recorded in 1885–90

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Example Sentences

See Examples For:

operating room

"There wouldn't have been any operations without them," she told AFP outside the operating room in the cardiology department.

From Barron's ● Sep. 9, 2026

Ruteng Regional General Hospital's operating room, delivery room, pharmacy, and laboratory were all rendered defunct after the building's roof collapsed.

From BBC ● Aug. 17, 2026

On any given day, suitcases contain supplies that would accommodate a hospital operating room, including scalpels, needles and IV bags.

From The Wall Street Journal ● Jun. 12, 2026

The team was about to take her to the operating room when he was finally able to detach it.

From Salon ● May 27, 2026

Dr. Han didn’t answer her, concentrating on getting Mija into the small operating room in the back of the clinic.

From "Finding Junie Kim" by Ellen Oh

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