mathematics A symbol or function representing a mathematical operation.
Roget 799a: stock market, stock exchange, securities exchange; bourse, board; the big board, the New York Stock Exchange; the market, the open market; over-the-counter market; privately traded issues. commodities exchange, futures exchange, ... show more
An agent that operates some apparatus or machine:
— The operator of the switchboard.
Someone who owns or operates a business.
A shrewd or unscrupulous person who knows how to circumvent difficulties.
Dutch: computeroperator, operator
A speculator who trades aggressively on stock or commodity markets.
Moby thesaurus: Machiavellian, PBX operator, 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 ... show more.
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