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Dictionary definition for: Operator

1. (n) (mathematics) a symbol that represents a function from functions to functions; "the integral operator"

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 shrewd or unscrupulous person who knows how to circumvent difficulties

5. (n) a speculator who trades aggressively on stock or commodity markets

WordNet 2.1 Copyright Princeton University. All rights reserved.