Definition of velocity

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Velocity (n.) Quickness of motion; swiftness; speed; celerity; rapidity; as, the velocity of wind; the velocity of a planet or comet in its orbit or course; the velocity of a cannon ball; the velocity of light..

Lern More About Velocity

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..
Carronade :: Carronade (n.) A kind of short cannon, formerly in use, designed to throw a large projectile with small velocity, used for the purpose of breaking or smashing in, rather than piercing, the object aimed at, as the side of a ship. It has no trunnions, but is supported on its carriage by a bolt passing through a loop on its under side..
Swiftness :: Swiftly (adv.) In a swift manner; with quick motion or velocity; fleetly.
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.
Vector :: Vector (n.) A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar..
Nephoscope :: Nephoscope (n.) An instrument for observing the clouds and their velocity.
Backlash :: Backlash (n.) The distance through which one part of connected machinery, as a wheel, piston, or screw, can be moved without moving the connected parts, resulting from looseness in fitting or from wear; also, the jarring or reflex motion caused in badly fitting machinery by irregularities in velocity or a reverse of motion..
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..
Hysteresis :: Hysteresis (n.) A lagging or retardation of the effect, when the forces acting upon a body are changed, as if from velocity or internal friction; a temporary resistance to change from a condition previously induced, observed in magnetism, thermoelectricity, etc., on reversal of polarity..
Dart :: Dart (v. i.) To start and run with velocity; to shoot rapidly along; as, the deer darted from the thicket..
Tachometer :: Tachometer (n.) An instrument for measuring the velocity of the blood; a haematachometer.
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..
Myograph :: Myograph (n.) An instrument for determining and recording the different phases, as the intensity, velocity, etc., of a muscular contraction..
Twirl :: Twirl (v. i.) To revolve with velocity; to be whirled round rapidly.
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..
Tachometer :: Tachometer (n.) An instrument for measuring the velocity, or indicating changes in the velocity, of a moving body or substance..
Accelerative :: Accelerative (a.) Relating to acceleration; adding to velocity; quickening.
Spina Bifida :: Spin (n.) Velocity of rotation about some specified axis.
Swift :: Swift (v. i.) Moving a great distance in a short time; moving with celerity or velocity; fleet; rapid; quick; speedy; prompt.
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..
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