operator

1. (mathematics) a symbol or function representing a mathematical operation (synset 113808625)
   referred to in: math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
   is a type of: function, map, mapping, mathematical function, single-valued function - (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
   subtypes:

   • linear operator - an operator that obeys the distributive law: A(f+g) = Af + Ag (where f and g are functions)
   • identity, identity element, identity operator - an operator that leaves unchanged the element on which it operates
2. An agent that operates some apparatus or machine (synset 110398111)
   "the operator of the switchboard"
   is a type of: causal agency, causal agent, cause - any entity that produces an effect or is responsible for events or results
   subtypes:

   • company operator - an operator who works for a company
   • driver - the operator of a motor vehicle
   • elevator operator - an operator of an elevator
   • engine driver, engineer, locomotive engineer, railroad engineer - the operator of a railway locomotive
   • hoister - an operator of a hoist
   • jockey - an operator of some vehicle or machine or apparatus
   • motorman - the operator of streetcar
   • radio operator - someone who operates a radio transmitter
   • switchman - a man who operates railroad switches
   • telegraph operator, telegrapher, telegraphist - someone who transmits messages by telegraph
   • switchboard operator, telephone operator, telephonist - someone who helps callers get the person they are calling
   same as: manipulator
3. Someone who owns or operates a business (synset 110398479)
   "who is the operator of this franchise?"
   is a type of: businessman, man of affairs - a person engaged in commercial or industrial business (especially an owner or executive)
   subtypes: supermarketeer, supermarketer - an operator of a supermarket
4. A shrewd or unscrupulous person who knows how to circumvent difficulties (synset 110214185)
   domain usage: colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
   is a type of: opportunist, self-seeker - a person who places expediency above principle
   subtypes: wire-puller - one who uses secret influence (i.e. pulls wires or strings) for his own ends
   same as: hustler, wheeler dealer
5. A speculator who trades aggressively on stock or commodity markets (synset 110398651)
   is a type of: plunger, speculator - someone who risks losses for the possibility of considerable gains

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