operating room

op·er·at·ing room

O o

Definitions of operating room words

noun operating room a specially equipped room, usually in a hospital, where surgical procedures are performed. Abbreviation: OR. 1
noun operating room surgical operating theatre 1
countable noun operating room An operating room is the same as an operating theatre. 0

before 1885

One of the 21% newest English words

First recorded in 1885-90

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

This diagram is provided by Google Ngram Viewer

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