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operator

n.
1.(mathematics) a symbol that represents a function from functions to functions
2.an agent that operates some apparatus or machine
3.someone who owns or operates a business
4.a shrewd or unscrupulous person who knows how to circumvent difficulties
5.a speculator who trades aggressively on stock or commodity markets

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Word of the Day

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    Idiom of the Day

    play ball with (someone)
    to cooperate with someone, to join in an effort with others
    "If you play ball with the new manager things should go well for you."



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