permeability

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English[edit]

English Wikipedia has an article on:
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Etymology[edit]

From French perméabilité.

Pronunciation[edit]

Noun[edit]

permeability (usually uncountable, plural permeabilities)

  1. The property of being permeable.
  2. The rate of flow of a fluid through a porous material.
    • 2008, Michael Bernard New, Wagner Cotroni Valenti, Freshwater Prawn Culture, page 33:
      McNamara et al. (1991) suggested that neurofactors located within the thoracic ganglion may alter the apparent ionic permeabilities of this freshwater prawn.
  3. (geology) A measure of the ability of a rock to transmit fluids (such as oil or water).
  4. (physics) 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).

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