/ Dictionary / Index E equipartition of energy: Meaning and Definition of Find definitions for: e'qui•par•ti'tion of en'ergy Pronunciation: (ē'kwu-pär-tish'un, ek'wu-, ē"kwu-, ek"wu), [key] — Thermodynamics. Thermodynamics. the theorem that the kinetic energy is the same for each degree of freedom in a system in thermal equilibrium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. equipage equipment Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language