Definition of "electrophoresis" [electrophoresis]

• The migration of charged colloidal particles or molecules through a solution under the influence of an applied electric field usually provided by immersed electrodes. Also called cataphoresis. (noun)
• 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The actual test for EPO, what they call electrophoresis, is actually being questioned on a pretty serious level right now."
• "The amplified DNA then undergoes a technique to ascertain the number of repeats at a given loci location, called electrophoresis, which separates the molecules according to length."
• "A new type of ablation is based on a technique called electrophoresis, which involves using electrical energy to alter cell membranes and allow chemotherapy drugs to enter more freely."