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

Etymology

Origin of operating room

First recorded in 1885–90

Example Sentences

See Examples For:

operating room

Teng mostly avoids on-camera interviews with her subjects, preferring to watch them interacting with patients or in the operating room.

From Los Angeles Times ● Aug. 21, 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

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

From Salon ● May 27, 2026

Mills would wake up in an operating room, where a Russian surgeon stood over him.

From The Wall Street Journal ● Jan. 2, 2026

With a steady hand on Doha’s back, father and son walked out of the office, past the family weeping in the operating room, and to the front desk where Nurse Cha was sitting.

From "Finding Junie Kim" by Ellen Oh