Meaning of gel electrophoresis

gel' electrophore'sis

Pronunciation: [key]
— Biochem. Biochem.
  1. a technique for separating protein molecules of varying sizes in a mixture by moving them through a block of gel, as of agarose or polyacrylamide, by means of an electric field, with smaller molecules moving faster and therefore farther than larger ones.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.