angular acceleration

noun

, Physics.

1. the time rate of change of angular velocity of a rotating body.

angular acceleration

noun

1. the rate of change of angular velocity
2. astronautics the acceleration of a space vehicle around an axis

angular acceleration

/ ăng′gyə-lər /

1. The rate of change of angular velocity with respect to time. Angular acceleration is measured in revolutions per minute squared or in radians per second squared.

Word History and Origins

Origin of angular acceleration¹

First recorded in 1880–85

Example Sentences

Similarly, if a body is rotated round a vertical axis, we perceive only angular acceleration and not angular velocity.

From Project Gutenberg

To find the angular acceleration A, draw kt, bt respectively parallel to and at right angles to the link KB.

From Project Gutenberg

The terrific angular acceleration seemed intent on forcing the two fugitives straight through the metal floor.

From Project Gutenberg