permeability
nounUS /ˌpɝmi.əˈbɪlɪti/ · UK /ˌpɜːmi.əˈbɪlɪti/
Etymology From French perméabilité, equivalent to permeable + -ity.
1
Usually The property of being permeable.
2
Usually The rate of flow of a fluid through a porous material.
- The sulfite cake is usually blended with fly ash (and possibly lime) to produce a landfillable byproduct of low permeability.1997, Arthur L. Kohl, Richard B. Nielsen, Gas purification, page 536:
- McNamara et al. (1991) suggested that neurofactors located within the thoracic ganglion may alter the apparent ionic permeabilities of this freshwater prawn.2008, Michael Bernard New, Wagner Cotroni Valenti, Freshwater Prawn Culture, page 33:
4
Natural sciences, Physical sciences, Physics Usually 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).
- Derived terms
- antipermeability, dynamic permeability, hyperpermeability, hypopermeability, impermeability, magnetic permeability, micropermeability, semipermeability, space permeability, superpermeability, transpermeability, vasculopermeability, vasopermeability
- Related terms
- impermeable, nonpermeable, permeameter, conductivity, penetrability, porosity, porousness