op·​er·​at·​ing | \ ˈä-pə-ˌrā-tiŋ How to pronounce operating (audio) , ˈä-ˌprā- \

Definition of operating

: of, relating to, or used for or in operations operating expenses a hospital operating room

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Examples of operating in a Sentence

the only operating nuclear power plant in the state
Recent Examples on the Web And volatility in the stock market and financial swings at affiliates and joint ventures caused a 65% plunge in non-operating revenue, or money generated by investments and other sources not related to patient care. Stephen Singer, courant.com, "Report: In pre-pandemic 2019 Connecticut hospitals posted a solid 12% revenue boost," 10 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'operating.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of operating

1728, in the meaning defined above

History and Etymology for operating

from present participle of operate

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Time Traveler for operating

Time Traveler

The first known use of operating was in 1728

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Statistics for operating

Cite this Entry

“Operating.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/operating. Accessed 10 May. 2021.

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More Definitions for operating



English Language Learners Definition of operating

: relating to the way a machine, vehicle, device, etc., functions or is used and controlled
: relating to the way a business, department, program, etc., functions or is controlled


op·​er·​at·​ing | \ ˈäp-(ə-)ˌrāt-iŋ How to pronounce operating (audio) \

Medical Definition of operating

: of, relating to, or used for operations a hospital operating room operating scissors


op·​er·​at·​ing | \ ˈä-pə-ˌrā-tiŋ \

Legal Definition of operating

1 : engaged in active business
2 : arising out of or relating to the current daily operations of a concern (as in transportation or manufacturing) as distinct from its financial transactions and permanent improvements operating expenses operating personnel

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