water softener Hear it!

water softener definition

water softener

  1. a chemical compound added to hard water to soften it, as by precipitating out the minerals
  2. a tank or other container in which water is filtered through any of various chemicals or ion exchange media for softening

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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