permeability Hear it!

permeability definition

per·meabil·ity (pʉr′mē ə bil′ə tē)

noun

  1. the state or quality of being permeable
  2. Physics
    1. the measure of the ease with which a magnetic field can establish magnetic induction in a particular material
    2. the rate of diffusion of a fluid through a porous body
  3. the property of a porous substance, as rock or a membrane, of allowing the flow of a fluid through it

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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