operating

[ op-uh-rey-ting ]
/ ˈɒp əˌreɪ tɪŋ /

adjective

used or engaged in performing operations: an operating surgeon.
of, for, or pertaining to operations: an operating budget.
of or relating to the proper operation of a machine, appliance, etc.: a manual of operating instructions.
Railroads. of, pertaining, or belonging to railroad workers, as engineers or firemen, who are directly engaged in the mechanical operation of trains: an operating union.

Origin of operating

First recorded in 1800–10; operate + -ing1

OTHER WORDS FROM operating

non·op·er·at·ing, adjectiveun·op·er·at·ing, adjective

Definition for operating (2 of 2)

operate
[ op-uh-reyt ]
/ ˈɒp əˌreɪt /

verb (used without object), op·er·at·ed, op·er·at·ing.

verb (used with object), op·er·at·ed, op·er·at·ing.

Origin of operate

1600–10; < Late Latin operātus, past participle of operārī, -āre to work, be efficacious, effect, produce, Latin: to busy oneself, verbal derivative of opera effort, work, akin to opus work; see -ate1

OTHER WORDS FROM operate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for operating

British Dictionary definitions for operating

operate
/ (ˈɒpəˌreɪt) /

verb

Word Origin for operate

C17: from Latin operāri to work
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for operating

operate
[ ŏpə-rāt′ ]

v.

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