Definition of velocity

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Velocity (n.) Rate of motion; the relation of motion to time, measured by the number of units of space passed over by a moving body or point in a unit of time, usually the number of feet passed over in a second. See the Note under Speed..

Lern More About Velocity

Haemadromograph :: Haemadromograph (n.) An instrument for registering the velocity of the blood.
Fluxion :: Fluxion (n.) A method of analysis developed by Newton, and based on the conception of all magnitudes as generated by motion, and involving in their changes the notion of velocity or rate of change. Its results are the same as those of the differential and integral calculus, from which it differs little except in notation and logical method..
Swig :: Swiftness (n.) The quality or state of being swift; speed; quickness; celerity; velocity; rapidity; as, the swiftness of a bird; the swiftness of a stream; swiftness of descent in a falling body; swiftness of thought, etc..
Tachometer :: Tachometer (n.) An instrument for measuring the velocity, or indicating changes in the velocity, of a moving body or substance..
Hydrodynamometer :: Hydrodynamometer (n.) An instrument to measure the velocity of a liquid current by the force of its impact.
Tachometer :: Tachometer (n.) An instrument for measuring the velocity of running water in a river or canal, consisting of a wheel with inclined vanes, which is turned by the current. The rotations of the wheel are recorded by clockwork..
Acceleration :: Acceleration (n.) The act of accelerating, or the state of being accelerated; increase of motion or action; as, a falling body moves toward the earth with an acceleration of velocity; -- opposed to retardation..
Chronoscope :: Chronoscope (n.) An instrument for measuring minute intervals of time; used in determining the velocity of projectiles, the duration of short-lived luminous phenomena, etc..
Slip :: Slip (n.) The motion of the center of resistance of the float of a paddle wheel, or the blade of an oar, through the water horozontally, or the difference between a vessel's actual speed and the speed which she would have if the propelling instrument acted upon a solid; also, the velocity, relatively to still water, of the backward current of water produced by the propeller..
Accelerative :: Accelerative (a.) Relating to acceleration; adding to velocity; quickening.
Spina Bifida :: Spin (n.) Velocity of rotation about some specified axis.
Electro-ballistics :: Electro-ballistics (n.) The art or science of measuring the force or velocity of projectiles by means of electricity.
Libration Point :: Libration point (n.) any one of five points in the plane of a system of two large astronomical bodies orbiting each other, as the Earth-moon system, where the gravitational pull of the two bodies on an object are approximately equal, and in opposite directions. A solid object moving in the same velocity and direction as such a libration point will remain in gravitational equilibrium with the two bodies of the system and not fall toward either body..
Nephoscope :: Nephoscope (n.) An instrument for observing the clouds and their velocity.
Whirligig :: Whirligig (n.) A mediaeval instrument for punishing petty offenders, being a kind of wooden cage turning on a pivot, in which the offender was whirled round with great velocity..
Impetus :: Impetus (n.) The aititude through which a heavy body must fall to acquire a velocity equal to that with which a ball is discharged from a piece.
Dart :: Dart (v. i.) To start and run with velocity; to shoot rapidly along; as, the deer darted from the thicket..
Rotation :: Rotation (a.) Pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation; as, rotational velocity..
Tachometer :: Tachometer (n.) An instrument for measuring the velocity of the blood; a haematachometer.
Deaden :: Deaden (a.) To lessen the velocity or momentum of; to retard; as, to deaden a ship's headway..
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