A control group or control experiment.
A duplicate book, register, or account, kept to correct or check another account or register.
An interface element that a computer user interacts with, such as a window or a text box (abbreviated Ctrl).
Influence or authority over something.
A checkpoint along an audax route.
A means of monitoring for, and triggering intervention in, activities that are not going according to plan.
The method and means of governing the performance of any apparatus, machine or system, such as a lever, handle or button.
Restraint or ability to contain one's movements or emotions, or self-control.
A security mechanism, policy, or procedure that can counter system attack, reduce risks, and resolve vulnerabilities; a safeguard or countermeasure.
A spirit that takes possession of a psychic or medium and allows other spirits to communicate with the living.
A construction in which the understood subject of a given predicate is determined by an expression in context. See control.
Any of the physical factors determining the climate of a place, such 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.
(construed with for) To design (an experiment) so that the effects of one or more variables are reduced or eliminated.
to hold in check, to curb, to restrain
To exercise influence over; to suggest or dictate the behavior of.
A regulating principle.
A determinate method prescribed for performing any operation and producing a certain result.
A ruler; device for measuring, a straightedge, a measure.
A normal condition or state of affairs.
A regulation, law, guideline.
An order regulating the practice of the courts, or an order made between parties to an action or a suit.
A straight line (continuous mark, as made by a pen or the like), especially one lying across a paper as a guide for writing.
The act of ruling; administration of law; government; empire; authority; control.
To establish or settle by, or as by, a rule; to fix by universal or general consent, or by common practice.
To regulate, be in charge of, make decisions for, reign over.
To decide judicially.
To mark (paper or the like) with rules (lines).
To excel.