/ Dictionary / Index E electrophoresis: Meaning and Definition of Find definitions for: e•lec•tro•pho•re•sis Pronunciation: (i-lek"trō-fu-rē'sis), [key] Also calledthe motion of colloidal particles suspended in a fluid medium, due to the influence of an electric field on the medium. this technique, applied to sorting proteins according to their responses to an electric field. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: electrophoresis (Thesaurus) electrophorese electrophorus Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language