/ Dictionary / Index E electrostatic unit: Meaning and Definition of Find definitions for: elec'trostat'ic u'nit Pronunciation: [key] — Elect. Elect. a unit, as a statampere, in the system of electric units derived from the force of repulsion between two static charges. Abbr.: esu, ESU Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. electrostatics electrostriction Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language