/ Dictionary / Index E energetics: Meaning and Definition of Find definitions for: en•er•get•ics Pronunciation: (en"ur-jet'iks), [key] — n. (used with a sing. v.) the branch of physics that deals with energy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. energetic energism Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language