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Meaning of OPERATOR

Pronunciation:  'âpu`reytur

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

OPERATOR is a 8 letter word that starts with O.


 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



Webster's 1913 Dictionary
\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}.

Computing Dictionary

A symbol used as a function, with infix syntax if it has two arguments (e.g. "+") or prefix syntax if it has only one (e.g. boolean NOT). Many languages use operators for built-in functions such as arithmetic and logic.

Biology Dictionary
 Definition: Site of repressor binding on a DNA molecule; part of an operon.
  1. A prokaryotic regulatory element that interacts with a repressor to control the transcription of adjacent structural genes.
  2. a site in the operon to which a repressor can bind, shutting off transcription of structural genes in the operon.
Thesaurus Terms
 Related Terms: activist, actor, administrator, adventurer, agent, architect, author, ball of fire, beaver, behind-the-scenes operator, big operator, big wheel, big-time operator, bustler, busy bee, central, coconspirator, conductor, conniver, conspirator, conspirer, counterplotter, creator, director, doer, driver, eager beaver, eminence grise, engineer, enthusiast, executant, executor, executrix, exploiter, fabricator, faker, finagler, fraud, functionary, gamesman, go-getter, gray eminence, gunslinger, handler, human dynamo, hustler, intrigant, intriguer, kingmaker, lame duck, live wire, logroller, long distance, Machiavellian, machinator, maker, man of action, man of deeds, manager, maneuverer, manipulator, margin purchaser, medium, militant, mover, new broom, operant, operative, operative surgeon, opportunist, PBX operator, performer, perpetrator, pilot, plotter, plunger, political activist, pork-barrel politician, powerhouse, practitioner, prime mover, producer, runner, sawbones, scalper, schemer, smart operator, smoothie, speculator, stag, steersman, strategist, subject, superintendent, supervisor, surgeon, switchboard operator, take-charge guy, telephone operator, telephonist, wheeler-dealer, winner, wire-puller, wise guy, worker