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Control   /kəntrˈoʊl/   Listen
noun
Control  n.  
1.
A duplicate book, register, or account, kept to correct or check another account or register; a counter register. (Obs.)
2.
That which serves to check, restrain, or hinder; restraint. "Speak without control."
3.
Power or authority to check or restrain; restraining or regulating influence; superintendence; government; as, children should be under parental control. "The House of Commons should exercise a control over all the departments of the executive administration."
4.
(Mach.) The complete apparatus used to control a mechanism or machine in operation, as a flying machine in flight; specifically (Aeronautics), The mechanism controlling the rudders and ailerons.
5.
(Climatology) Any of the physical factors determining the climate of any particular place, as latitude,distribution of land and water, altitude, exposure, prevailing winds, permanent high- or low-barometric-pressure areas, ocean currents, mountain barriers, soil, and vegetation.
6.
(Technology) In research, an object or subject used in an experimental procedure, which is treated identically to the primary subject of the experiment, except for the omission of the specific treatment or conditions whose effect is being investigated. If the control is a group of living organisms, as is common in medical research, it is called the control group. Note: For most experimental procedures, the results are not considered valid and reliable unless a proper control experiment is performed. There are various types of control used in experimental science, and often several groups of subjects serve as controls, being subjected to different variations of the experimental procedure, or controlling for several variables being tested. When the effects caused by an experimental treatment are not consistent and obvious, statistical analysis of the results is typically used to determine if there are any significant differences between the effects of different experimental conditions.
7.
(Technology) The part of an experimental procedure in which the controls (6) are subjected to the experimental conditions.
8.
The group of technical specialists exercising control by remote communications over a distant operation, such as a space flight; as, the American Mission Control for manned flights is located in Houston.
Board of control. See under Board.


verb
Control  v. t.  (past & past part. controlled; pres. part. controlling)  (Formerly written comptrol and controul)  
1.
To check by a counter register or duplicate account; to prove by counter statements; to confute. (Obs.) "This report was controlled to be false."
2.
To exercise restraining or governing influence over; to check; to counteract; to restrain; to regulate; to govern; to overpower. "Give me a staff of honor for mine age, But not a scepter to control the world." "I feel my virtue struggling in my soul: But stronger passion does its power control."
3.
To assure the validity of an experimental procedure by using a control 7.
Synonyms: To restrain; rule; govern; manage; guide; regulate; hinder; direct; check; curb; counteract; subdue.





Collaborative International Dictionary of English 0.48


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"Control" Quotes from Famous Books



... millions of dollars was roughly estimated as the value of the estate thus wantonly sacrificed. For it is only fair to state, as a just tribute to the enterprise and energy of that young and thriving settlement, that there was not probably a single citizen who did not feel himself better able to control the deceased humorist's property. Some had exprest a doubt of their ability to support a family; others had felt perhaps too keenly the deep responsibility resting upon them when chosen from the panel as jurors, and had evaded their public duties; ...
— The Best of the World's Classics, Restricted to Prose, Vol. X (of X) - America - II, Index • Various
... daughter will have all her property settled upon herself, so that I can have no control over it—thus leaving it impossible that I should waste it. And I trust that by an active attention to my profession I may be enabled not inconsiderably ...
— Philip Gilbert Hamerton • Philip Gilbert Hamerton et al
... traveller is dead beat with fatigue, let him exert a strong control over himself, for if he gives way to terror, and wanders wildly about hither and thither, he will do no good and exhaust his vital powers much sooner. He should erect some signal—as conspicuous a one as he can—with something fluttering upon it, sit down in the shade, ...
— The Art of Travel - Shifts and Contrivances Available in Wild Countries • Francis Galton
... for ever," said Madame de la Baudraye, trying to control the trembling of her voice. "I have dismissed the two servants. When you go in, you will find the house in order, and no debts. I shall always feel a mother's affection for you, but in secret. Let us part calmly, without ...
— The Muse of the Department • Honore de Balzac
... what had been said concerning his pursuit of the girl stirred Latisan to the depths. His emotions had been in a tumult ever since the girl had declared her promise. He was in no mood to reason calmly. He could not control himself. He purposed to go to what he thought was his duty as her accepted champion. Therefore, he leaped from his chair, put his arm about her waist, and pulled her across the room, in spite ...
— Joan of Arc of the North Woods • Holman Day


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