humectant Hear it!

humectant definition

hu·mec·tant (hyo̵̅o̅ mek′tənt)

noun

a substance, as glycerol, added or applied to another to help it retain moisture

Etymology: < L humectans, var. of umectans, prp. of humectare, to moisten < umectus, moist < umere, to be moist: see humor

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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