softener Hear it!

softener definition

soft·ener (-ər)

noun

something that softens; specif.,
  1. a positively charged compound added to water in treating fabrics to make them softer and fluffier
    in full fabric softener
  2. water softener

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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