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

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..
Wind :: Wind (n.) Air naturally in motion with any degree of velocity; a current of air.
Tachometer :: Tachometer (n.) An instrument for measuring the velocity, or indicating changes in the velocity, of a moving body or substance..
Translation :: Translation (n.) Motion in which all the points of the moving body have at any instant the same velocity and direction of motion; -- opposed to rotation.
Twirl :: Twirl (v. i.) To revolve with velocity; to be whirled round rapidly.
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..
Speed :: Speed (n.) The act or state of moving swiftly; swiftness; velocity; rapidly; rate of motion; dispatch; as, the speed a horse or a vessel..
Dyne :: Dyne (n.) The unit of force, in the C. G. S. (Centimeter Gram Second) system of physical units; that is, the force which, acting on a gram for a second, generates a velocity of a centimeter per second..
Hydrodynamometer :: Hydrodynamometer (n.) An instrument to measure the velocity of a liquid current by the force of its impact.
Hodograph :: Hodograph (n.) A curve described by the moving extremity of a line the other end of which is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; -used in investigations respecting central forces..
Deaden :: Deaden (a.) To lessen the velocity or momentum of; to retard; as, to deaden a ship's headway..
Swiftness :: Swiftly (adv.) In a swift manner; with quick motion or velocity; fleetly.
Spina Bifida :: Spin (n.) Velocity of rotation about some specified axis.
Hydrometer :: Hydrometer (n.) An instrument, variously constructed, used for measuring the velocity or discharge of water, as in rivers, from reservoirs, etc., and called by various specific names according to its construction or use, as tachometer, rheometer, hydrometer, pendulum, etc.; a current gauge..
Velocity :: 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..
Fleet :: Fleet (v. i.) Swift in motion; moving with velocity; light and quick in going from place to place; nimble.
Accelerative :: Accelerative (a.) Relating to acceleration; adding to velocity; quickening.
Haematachometer :: Haematachometer (n.) A form of apparatus (somewhat different from the hemadrometer) for measuring the velocity of the blood.
Whirl :: Whirl (v. t.) A turning with rapidity or velocity; rapid rotation or circumvolution; quick gyration; rapid or confusing motion; as, the whirl of a top; the whirl of a wheel..
Rapidity :: Rapidity (n.) The quality or state of being rapid; swiftness; celerity; velocity; as, the rapidity of a current; rapidity of speech; rapidity of growth or improvement..
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