e·lec·tro·pho·re·sis (?-l?k?tr?-f?-r??s?s)n.1. The migration of charged colloidal particles or molecules through a stationary medium under the influence of an applied electric field usually provided by immersed electrodes. Also called cataphoresis.2. A method of separating substances, especially proteins, and analyzing molecular structure based on the rate of movement of each component in a colloidal suspension while under the influence of an electric field.e·lec?tro·pho·ret?ic (-r?t??k) adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.electrophoresis (??l?ktr??f??ri?s?s) n (Chemistry) the motion of charged particles in a colloid under the influence of an applied electric field. Also called: cataphoresis electrophoretic adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014e?lec?tro?pho?re?sis (??l?k tro? f??ri s?s) n. the motion of colloidal particles suspended in a fluid medium that is due to the influence of an electric field on the medium. [1910?15; probably electro- + (cata) phoresis] e?lec`tro?pho?ret?ic (-?r?t ?k) adj. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.e·lec·tro·pho·re·sis (?-l?k?tr?-f?-r??s?s) The migration of electrically charged particles through a fluid that is under the influence of an electric field. Electrophoresis is used especially to separate colloids for the purpose of studying their components.The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.electrophoresisThe movement of charged particles, colloidal particles or ions through a fluid under the influence of an electric field.Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited