3 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Operator \Op"er*a`tor\, n. [L.]
1. One who or that which operates or produces an effect.
2. (Surg.) One who performs some act upon the human body by
means of the hand, or with instruments.
3. A dealer in stocks or any commodity for speculative
purposes; a speculator. [Brokers' Cant]
4. (Math.) The symbol that expresses the operation to be
performed; -- called also {facient}.
From WordNet r 1.6 [wn]:
operator
n 1: (mathematics) a symbol that represents a function from
functions to functions; "the integral operator"
2: an agent that operates some apparatus or machine; "the
operator of the switchboard" [syn: {manipulator}]
3: someone who owns or operates a business; "who is the
operator of this franchise?"
4: (informal) a shrewd or unscrupulous person who knows how to
circumvent difficulties [syn: {hustler}, {wheeler dealer}]
5: a speculator who trades aggressively on stock or commodity
markets
From The Free On-line Dictionary of Computing (13 Mar 01) [foldoc]:
operator
A symbol used as a {function}, with {infix
syntax} if it has two arguments (e.g. "+") or {prefix syntax} if
it has only one (e.g. {Boolean} NOT). Many languages use
operators for built-in functions such as arithmetic and logic.
(1995-04-30)
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