ELECTROPHORESIS

electrophoresis, cataphoresis, dielectrolysis, ionophoresis

(noun) the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode

Source: WordNet® 3.1

Etymology

Noun

electrophoresis (countable and uncountable, plural electrophoreses)

(electricity) the migration of electrically charged molecules through a medium under the influence of an electric field

(analytical chemistry) (biochemistry), a method for the separation and analysis of large molecules (such as proteins) by migrating a colloidal solution of them through a gel; gel electrophoresis

Source: Wiktionary