Meaning of humectant

hu•mec•tant

Pronunciation: (hy-mek'tunt or, often, y-), [key]
— n.
  1. a substance that absorbs or helps another substance retain moisture, as glycerol.
—adj.
  1. moistening; diluting.
  2. of or pertaining to a humectant or humectants.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: