velocity

[vuh-los-i-tee] /vəˈlɒs ɪ ti/
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.
Origin
1540-50; < Latin vēlōcitās speed. See velocipede, -ty2
Synonyms
1. See speed.
Examples from the web for velocities
  • They have lower muzzle velocities and shorter barrels than equivalent guns.
British Dictionary definitions for velocities

velocity

/vɪˈlɒsɪtɪ/
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)
Word Origin
C16: from Latin vēlōcitās, from vēlōx swift; related to volāre to fly
Word Origin and History for velocities

velocity

n.

1550a, from Latin velocitatem (nominative velocitas) "swiftness, speed," from velox (genitive velocis) "swift," of uncertain origin, perhaps related to vehere "carry" (see vehicle), or from the same root as vegetable (see vigil).

velocities in Medicine

velocity ve·loc·i·ty (və-lŏs'ĭ-tē)
n.
Rapidity or speed of motion; specifically, the distance traveled per unit time.

velocities in Science
velocity
(və-lŏs'ĭ-tē)
The speed and direction of motion of a moving body. Velocity is a vector quantity. Compare acceleration, speed.

velocities in Culture

velocity definition


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