/ Dictionary / Index A angular velocity: Meaning and Definition of Find definitions for: an'gular veloc'ity Pronunciation: [key] — Physics. Physics. the time rate of change of angular position of a rotating body, usually expressed in radians per second or radians per minute. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. angular momentum angulate Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language