Meaning of polyethylene glycol

polyeth'ylene gly'col

Pronunciation: [key]
— Chem. Chem.
  1. any of a series of polymers of ethylene glycol, having a molecular weight of from about 200 to 6000, obtained by condensation of ethylene glycol or of ethylene oxide and water, used as an emulsifying agent and lubricant in ointments, creams, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.