• synonyms


  1. Also called cataphoresis. Physical Chemistry. the motion of colloidal particles suspended in a fluid medium, due to the influence of an electric field on the medium.
  2. Biology. this technique, applied to sorting proteins according to their responses to an electric field.
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Origin of electrophoresis

1910–15; electro- + Greek phórēsis a being borne; see -phore, -sis
Related formse·lec·tro·pho·ret·ic [ih-lek-troh-fuh-ret-ik] /ɪˌlɛk troʊ fəˈrɛt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for electrophoresis


  1. the motion of charged particles in a colloid under the influence of an applied electric fieldAlso called: cataphoresis
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Derived Formselectrophoretic (ɪˌlɛktrəʊfəˈrɛtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

electrophoresis in Medicine


  1. The migration of charged colloidal particles or molecules through a solution under the influence of an applied electric field usually provided by immersed electrodes.ionophoresis phoresis
  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.
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Related formse•lec′tro•pho•retic (-rĕtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

electrophoresis in Science


  1. The migration of electrically charged molecules through a fluid or gel under the influence of an electric field. Electrophoresis is used especially to separate combinations of compounds, such as fragments of DNA, for the purpose of studying their components.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.