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operator

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

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A mathematical entity that performs a specific operation on a function to transform the function into another function. For example, the square root sign √ and the differentiation symbol d/dx are operators.



TechEncyclopedia:

operator

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(1) An organization that provides communications services. See network operator.

(2) In programming, a symbol used to perform an arithmetic or logical operation. See arithmetic operators and Boolean operator.

(3) A person who operates a computer in a datacenter and performs such activities as commanding the operating system, mounting disks and tapes and placing paper in the printer. Operators may also write the job control language (JCL), which schedules the daily work for the computer. See system development life cycle and salary survey.

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Roget's Thesaurus:

operator

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noun

  1. A person who operates a motor vehicle: driver, motorist. See move/halt.
  2. One who speculates for quick profits: adventurer, gambler, speculator. See gambling, money.

A term that signifies an operation. An operation is a function, so operators include expressions like ‘square root’ or ‘&’. The quantifiers are also known as operators, as are expressions like (ιx)…, or (μx)…, taking us from a predicate Fx to the only thing that is F, or the least thing that is F, respectively.

A person, organization, or enterprise engaged in or offering to engage in an aircraft operation (ICAO).

  1. (in genetics) a DNA sequence within an operon (under negative promoter control) to which a specific repressor protein can bind, thereby regulating the functioning of a structural gene or group of genes.
  2. (in mathematics) a symbol (i.e. an alphabetic character, term, or special symbol) representing a particular operation to be performed on an operand or operands; e.g. Σ (= sum of), d/dx (= differentiate with respect to the variable x), + (= add to).

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1. DNA sequence of 21 base pairs which is present within the promoter region of the Escherichia coli gene for β-galactosidase to which the regulatory protein called gene repressor protein binds.
2. sequences similar to (1), believed to be present in all genes.

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Random House Word Menu by Stephen Glazier
For a list of words related to operator, see:

  See crossword solutions for the clue Operator.
Translations:

Operator

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Dansk (Danish)
n. - operatør, bruger, fører, ejer, leder, smart forretningsmand

Nederlands (Dutch)
telefonist, receptionist (e), exploitant

Français (French)
n. - (Télécom) standardiste, (Comput, Radio, Tech) opérateur, compagnie de voyages organisés, opérateur, (Comm) entrepreneur

Deutsch (German)
n. - Bedienungskraft, Unternehmer, Betreiber, Operator, Vermittlung, Spekulant

Ελληνική (Greek)
n. - χειριστής, οπερατέρ, τηλεφωνητής ή τηλεφωνήτρια, καταφερτζής, (μαθημ.) τελεστής, πράκτορας, (οικον.) κάποιος που προβαίνει σε χρηματιστηριακές πράξεις, (τεχνολ.) πρόσημο αριθμητικής πράξης σε Η/Υ, (καθομ.) κομπιναδόρος

Italiano (Italian)
esercente, radiofonista, operatore radiofonico, telefonista

Português (Portuguese)
n. - operador (m), telefonista (f), especulador (m)

Русский (Russian)
оператор, телеграфист, турагенство, предприниматель

Español (Spanish)
n. - explotador, empresario, negociante, telefonista, operador, operario, maquinista, conductor

Svenska (Swedish)
n. - operatör, tekniker, maskinist, kirurg, hallå!(tele)

中文(简体)(Chinese (Simplified))
操作员, 经营者, 行家

中文(繁體)(Chinese (Traditional))
n. - 操作員, 經營者, 行家

한국어 (Korean)
n. - 조작자, 교환수, 수술자, 연산자

日本語 (Japanese)
n. - 運転者, 交換手, 経営者, やり手, 手術をする医者, 執刀者

idioms:

  • systems operator    システムオペレーター

العربيه (Arabic)
‏(الاسم) العامل الميكانيكي, عامل المقسم‏

עברית (Hebrew)
n. - ‮מפעיל, מרכזנית, אדם יעיל, טלפונאי, פועל, עובד בעסק, אדם הפועל בצורה מסוימת, סמל של פעולה מתמטית‬


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American Heritage Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
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TechEncyclopedia. THIS DEFINITION IS FOR PERSONAL USE ONLY.
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Roget's Thesaurus. Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 byHoughton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.  Read more
Oxford Dictionary of Philosophy. The Oxford Dictionary of Philosophy. Copyright © 1994, 1996, 2005 by Oxford University Press. All rights reserved.  Read more
McGraw-Hill Dictionary of Aviation. An Illustrated Dictionary of Aviation.. Copyright © 2005 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
 Oxford Dictionary of Biochemistry. Oxford University Press. Oxford Dictionary of Biochemistry and Molecular Biology © 1997, 2000, 2006 All rights reserved.  Read more
Saunders Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved.  Read more
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