Dictionary

permeability en · NOUN

Pronunciation

• (US) audio
• /ˌpɜːmi.əˈbɪlɪti/ (Received-Pronunciation)
• /ˌpɝmi.əˈbɪlɪti/ (General-American)

Etymology

From French perméabilité, equivalent to permeable + -ity.

Meanings

1. (uncountable, usually) The property of being permeable.
2. (uncountable, usually) The rate of flow of a fluid through a porous material.
   • 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:
   • 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:
3. (uncountable, usually) A measure of the ability of a rock to transmit fluids (such as oil or water).
4. (uncountable, 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).

Forms

Deriveds

impermeability · dynamic permeability · transpermeability · magnetic permeability · hyperpermeability · hypopermeability · micropermeability · antipermeability · vasculopermeability · space permeability · semipermeability · vasopermeability · superpermeability

Relateds

penetrability · conductivity · permeameter · porosity · impermeable · porousness · nonpermeable

Translations (23)

nl permeabiliteit (measure of the ability to transmit fluids) · nl doorlaatbaarheid (measure of the ability to transmit fluids) · fr perméabilité (property of being permeable) · hu permeabilitás (property of being permeable) · tl katulutan ((physics) measure of magnetization of a material in the presence of a magnetic field) · nl permeabiliteit ((physics) measure of magnetization of a material in the presence of a magnetic field) · nl doorlaatbaarheid (property of being permeable) · ro permeabilitate (property of being permeable) · cs permeabilita ((physics) measure of magnetization of a material in the presence of a magnetic field) · gl permeabilidade (property of being permeable) · fi permeabiliteetti ((physics) measure of magnetization of a material in the presence of a magnetic field) · it permeabilità (property of being permeable) · bg пропускливост (property of being permeable) · bg проницаемост ((physics) measure of magnetization of a material in the presence of a magnetic field) · hu permeabilitás ((physics) measure of magnetization of a material in the presence of a magnetic field) · fr perméabilité ((physics) measure of magnetization of a material in the presence of a magnetic field) · hu permeabilitás (rate of flow through a porous material) · ga tréscaoilteacht (property of being permeable) · nl magnetische permeabiliteit ((physics) measure of magnetization of a material in the presence of a magnetic field) · nl doorstroombaarheid (property of being permeable) · nl doorstroming (rate of flow through a porous material) · bg пропускливост (measure of the ability to transmit fluids) · vi từ thẩm ((physics) measure of magnetization of a material in the presence of a magnetic field)