Definitions

from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. The property or condition of being permeable.
  • n. The rate of flow of a liquid or gas through a porous material.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the property of being permeable
  • n. the rate of flow of a fluid through a porous material
  • n. a measure of the ability of a rock to transmit fluids (such as oil or water)
  • n. a quantitative measure of the degree of magnetization of a material in the presence of an applied magnetic field (measured in newtons per ampere squared in SI units).

from the GNU version of the Collaborative International Dictionary of English

  • n. The quality or state of being permeable.

from The Century Dictionary and Cyclopedia

  • n. The property or state of being permeable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the property of something that can be pervaded by a liquid (as by osmosis or diffusion)

Etymologies

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