velocity

[ vuh-los-i-tee ]
/ vəˈlɒs ɪ ti /

noun, plural ve·loc·i·ties.

rapidity of motion or operation; swiftness; speed: a high wind velocity.
Mechanics. the time rate of change of position of a body in a specified direction.
the rate of speed with which something happens; rapidity of action or reaction.

Origin of velocity

First recorded in 1540–50, velocity is from the Latin word vēlōcitās speed. See velocipede, -ty2

SYNONYMS FOR velocity

1 See speed.

Example sentences from the Web for velocity

British Dictionary definitions for velocity

velocity
/ (vɪˈlɒsɪtɪ) /

noun plural -ties

speed of motion, action, or operation; rapidity; swiftness
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 Symbol: u, v, w
physics (not in technical usage) another word for speed (def. 3)

Word Origin for velocity

C16: from Latin vēlōcitās, from vēlōx swift; related to volāre to fly

Medical definitions for velocity

velocity
[ və-lŏsĭ-tē ]

n.

Rapidity or speed of motion; specifically, the distance traveled per unit time.

Scientific definitions for velocity

velocity
[ və-lŏsĭ-tē ]

The speed and direction of motion of a moving body. Velocity is a vector quantity. Compare acceleration speed.

Cultural definitions for velocity

velocity

The vector giving the speed and direction of motion of any object.