/ Dictionary / Index K kinetics: Meaning and Definition of Find definitions for: ki•net•ics Pronunciation: (ki-net'iks, kī-), [key] — n. (used with a sing. v.) Physics. the branch of mechanics that deals with the actions of forces in producing or changing the motion of masses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kinetics (Thesaurus) kinetic potential kinetic theory of gases Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language