· (mathematics) a symbol or function representing a mathematical operation
Hypernym(s): function, mathematical_function, single-valued_function, map, mapping
· an agent that operates some apparatus or machine; "the operator of the switchboard"
Synonym(s): manipulator
Hypernym(s): causal_agent, cause, causal_agency
· someone who owns or operates a business; "who is the operator of this franchise?"
Hypernym(s): businessman, man_of_affairs
· a shrewd or unscrupulous person who knows how to circumvent difficulties
Synonym(s): hustler, wheeler_dealer
Hypernym(s): opportunist, self-seeker
· a speculator who trades aggressively on stock or commodity markets
Hypernym(s): speculator, plunger