Velocity
noun, plural velocities.
1.
rapidity of motion or operation; swiftness; speed:
a high wind velocity.
2.
Mechanics. the time rate of change of position of a body in a specified direction.
3.
the rate of speed with which something happens; rapidity of action or reaction.
noun (pl) -ties
1.
speed of motion, action, or operation; rapidity; swiftness
2.
(physics) a measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time. It is measured in metres per second, miles per hour, etc u, v, w
3.
(physics) (not in technical usage) another word for speed (sense 3)
velocity ve·loc·i·ty (və-lŏs’ĭ-tē)
n.
Rapidity or speed of motion; specifically, the distance traveled per unit time.
velocity
(və-lŏs’ĭ-tē)
The speed and direction of motion of a moving body. Velocity is a vector quantity. Compare acceleration, speed.
velocity definition
The vector giving the speed and direction of motion of any object.
Read Also:
- Velocity head
noun 1. the velocity of a fluid expressed in terms of the head or static pressure required to produce that velocity. It equals ρν/2 where ρ is the density of the fluid and ν is the velocity. In hydrology the density of water can be written 1/G where G is the gravitational constant
- Velocity-microphone
noun 1. a microphone in which the output varies according to the instantaneous velocity of the air molecules in the incident sound waves.
- Velocity modulation
noun 1. the modulation in velocity of a beam of electrons or ions caused by passing the beam through a high-frequency electric field, as in a cavity resonator
- Velocity-of-money
noun, Economics. 1. the frequency with which a single unit of currency or the total money supply turns over within the economy in a given year.
- Velodrome
noun 1. a sports arena equipped with a banked track for cycling. noun 1. an arena with a banked track for cycle racing