OPERATOR • DICTIONARY ONE.COM • Definition of Operator

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/ˈɑpərˌeɪtər/ Listen

Operator

noun

(mathematics) a symbol or function representing a mathematical operation.

An agent that operates some apparatus or machine. Synonym: manipulator.

Someone who owns or operates a business.

A shrewd or unscrupulous person who knows how to circumvent difficulties. Synonyms: hustler, wheeler dealer.

A speculator who trades aggressively on stock or commodity markets.

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Etymology of 'Operator'

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sewing-machine operator

switchboard operator

telegraph operator

telephone operator

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"Operator" Quotes from Famous Books

... been brought into cooperation. Really I have often thought life too short for the performance of such tasks. And apparently our Creator thought so at the beginning, when in contriving machinery for us he dispensed with the hindering factor of a central office operator. For applied to our previous example of a flash of light, the incoming message corresponds to the sensuous report of the flash, the outgoing message to the closure of the eye, and the unfortunate central ...

— The Nature of Goodness • George Herbert Palmer

... A telegraph operator, one close-mouthed and of a virtuous taciturnity, sat up all night with Senator Hanway in his study—the night before the caucus. There was none present but Senator Hanway and the wordless telegraphic one; the former, deeming the occasion one proper ...

— The President - A novel • Alfred Henry Lewis

... no. I have been told of a frozen man who was dissected in a hospital. The operator, in opening him, saw his heart beating in his breast; he took flight ...

— Stories of Modern French Novels • Julian Hawthorne

... two sections, one of which may be kept, either by additional piping or less ventilation, several degrees warmer than the other. So, while a general collection of many plants can be grown successfully in the same temperature, it is foolish to try everything. Only actual experiment can show the operator just what he can and cannot do with his small house. Even where no glass partition is used, there will probably be some variation in temperature in different parts of the house, and this condition may be turned to advantage. The beginner, however, is more likely ...

— Gardening Indoors and Under Glass • F. F. Rockwell

... apparatus for use on ships for hoisting ammunition to the guns by an electric elevator. The characteristic feature of it is that a constant motion of the switch or handle is required to keep it in action. If the operator is shot so as to be incapacitated from taking charge of the switch, the hoist stops until another ...

— The Standard Electrical Dictionary - A Popular Dictionary of Words and Terms Used in the Practice - of Electrical Engineering • T. O'Conor Slone

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