Definitions for: Operator


[n] (informal) a shrewd or unscrupulous person who knows how to circumvent difficulties
[n] an agent that operates some apparatus or machine; "the operator of the switchboard"
[n] someone who owns or operates a business; "who is the operator of this franchise?"
[n] a speculator who trades aggressively on stock or commodity markets
[n] (mathematics) a symbol that represents a function from functions to functions; "the integral operator"



Webster (1913) Definition: Op"er*a`tor, n. [L.]
1. One who, or that which, operates or produces an effect.

2. (Surg.) One who performs some act upon the human body by
means of the hand, or with instruments.

3. A dealer in stocks or any commodity for speculative
purposes; a speculator. [Brokers' Cant]

4. (Math.) The symbol that expresses the operation to be
performed; -- called also facient.

Synonyms: hustler, manipulator, wheeler dealer

See Also: businessman, causal agency, causal agent, cause, company operator, driver, elevator operator, engine driver, engineer, function, hoister, identity, identity element, identity operator, jockey, linear operator, locomotive engineer, man of affairs, mathematical function, motorman, opportunist, plunger, radio operator, railroad engineer, self-seeker, speculator, supermarketer, switchboard operator, switchman, telegraph operator, telegrapher, telegraphist, telephone operator, telephonist, wire-puller

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