imperviousness

Variant of impervious

impervious definition

im·per·vi·ous (im pʉr′vē əs)

adjective

  1. incapable of being passed through or penetrated a fabric impervious to moisture
  2. not affected by: with to impervious to pity

Etymology: L impervius: see in- & pervious

Related Forms:

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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