velocity

word

/vəˈɫɑsəti/
vuh-LAH-suh-dee
/vəlˈɒsɪti/
vuh-LO-si-tee

Definition

The speed of something in a specific direction; often used in physics to describe how fast and in what direction something moves.

Usage & Nuances

Mostly formal, technical, or scientific; common in physics and engineering. 'Velocity' is different from 'speed': 'velocity' includes direction, 'speed' does not. Not used in everyday conversation for general movement.

Example Sentences

The car increased its velocity on the highway.

basic

Wind velocity can affect how cold we feel.

basic

Light travels at a very high velocity.

basic

You need to know both the speed and the velocity for these science problems.

natural

The baseball left the pitcher’s hand with a surprising velocity.

natural

To calculate the object's velocity, we need both distance and direction.

natural