-
To perform a function; work: The motor operates smoothly.
(verb-intransitive)
-
To perform surgery.
(verb-intransitive)
-
To exert an influence: forces operating on the economy.
(verb-intransitive)
-
To produce a desired or proper effect: a drug that operates quickly.
(verb-intransitive)
-
To carry on a military or naval action or campaign.
(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.