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NCI Dictionary of Cancer Terms


polyethylene glycol  listen  (PAH-lee-EH-thih-leen GLY-kol)

  A polymer made by joining molecules of ethylene oxide and water together in a repeating pattern. Polyethylene glycol can be a liquid or a waxy solid. In medicine, forms of polyethylene glycol can be used in ointments, in drugs or substances to make them stay in the body longer, or in laxatives. Also called PEG.