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operator

 
Noun operator has 5 senses
  1. operator - (mathematics) a symbol that represents a function from functions to functions; "the integral operator"
    --1 is a kind of
    function, mathematical function
    --1 has particulars: linear operator; identity, identity element, identity operator
  2. operator, manipulator - an agent that operates some apparatus or machine; "the operator of the switchboard"
    --2 is a kind of causal agent, cause, causal agency
    --2 has particulars:
     company operator; driver; elevator operator; engineer, locomotive engineer, railroad engineer, engine driver; hoister; jockey; motorman; radio operator; switchman; telegrapher, telegraphist, telegraph operator; telephone operator, telephonist, switchboard operator
    Derived form: verb operate3
  3. operator - someone who owns or operates a business; "who is the operator of this franchise?"
    --3 is a kind of
    businessman, man of affairs
    --3 has particulars: supermarketer, supermarketeer
    Derived form: verb operate1
  4. hustler, wheeler dealer, operator - a shrewd or unscrupulous person who knows how to circumvent difficulties
    --4 is a kind of opportunist, self-seeker
    --4 has particulars: wire-puller
  5. operator - a speculator who trades aggressively on stock or commodity markets
    --5 is a kind of
    speculator, plunger
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