Pronunciation: (mois'chu-rīz"), [key]
—v., -ized, -iz•ing.
to add or restore moisture to (something): to moisturize one's skin with lotion; to moisturize air.
to make something moist; counteract a dry condition with moisture: a skin cream that moisturizes while you sleep. Also, esp. Brit.,mois'tur•ise".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.