Noun: permeance pur-mee-un(t)s
- The degree to which a material allows a substance to pass through it
"The permeance of the membrane determines its effectiveness in water filtration"
- (physics) a measure of the ability of a material to conduct magnetic flux, equal to the reciprocal of reluctance
"The permeance of the iron core affects the efficiency of the transformer"
Derived forms: permeances
Encyclopedia: Permeance