/ Dictionary / Index P physics: Meaning and Definition of Find definitions for: phys•ics Pronunciation: (fiz'iks), [key] — n. (used with a sing. v.) the science that deals with matter, energy, motion, and force. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: physics (Thesaurus) physicochemical physio- Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language