Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One who operates a machine or device: a switchboard operator.
  • n. The owner or manager of a business or an industrial enterprise.
  • n. One who deals aggressively in stocks or commodities.
  • n. Informal A person who is adept at accomplishing goals through shrewd or unscrupulous maneuvers.
  • n. Mathematics A function, especially one from a set to itself, such as differentiation of a differentiable function or rotation of a vector.
  • n. A logical operator.
  • n. Genetics A chromosomal segment of DNA that regulates the activity of the structural genes of an operon by interacting with a specific repressor.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One who operates.
  • n. A telecommunications facilitator whose job is to establish temporary network connections.
  • n. A function or other mapping that carries variables defined on a domain into another variable or set of variables in a defined range.
  • n. Another name for Chinese whispers.
  • n. A person who is adept at making deals or getting results, especially one who uses questionable methods.
  • n. A member of a military Special Operations unit.
  • n. The administrator of a channel or network on IRC.

from the GNU version of the Collaborative International Dictionary of English

  • n. One who, or that which, operates or produces an effect.
  • n. One who performs some act upon the human body by means of the hand, or with instruments.
  • n. A dealer in stocks or any commodity for speculative purposes; a speculator.
  • n. The symbol that expresses the operation to be performed; -- called also facient.
  • n. A person who operates a telephone switchboard.
  • n. A person who schemes and maneuvers adroitly or deviously to achieve his/her purposes.

from The Century Dictionary and Cyclopedia

  • n. One who operates in any way, or on or against anything.
  • n. One who performs a surgical operation.
  • n. One who exercises power, labor, skill, or influence in the accomplishment of some end; one who manipulates something, or is engaged in carrying on a series of acts or transactions by which some intended result is to be reached: as, a telegraph-operator; a Wall-street operator; an operator in wheat.
  • n. In mathematics, a letter or other character signifying an operation to be performed, and itself subject to algebraical operation: as, a vector operator.
  • n. where x, y, z are the rectangular coördinates of the variable point in space where the operand is found, and i, j, k are unit vectors respectively parallel to x, y, z.
  • n. One who conducts a business, as mining; a capitalist who carries on a business: opposed to operative.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an agent that operates some apparatus or machine
  • n. a speculator who trades aggressively on stock or commodity markets
  • n. a shrewd or unscrupulous person who knows how to circumvent difficulties
  • n. (mathematics) a symbol or function representing a mathematical operation
  • n. someone who owns or operates a business

Etymologies

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