Permeability Meaning
/ˌpɝmi.əˈbɪlɪti/Definition, CEFR level C1, pronunciation, examples, and quiz.
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Definition
nounThe property of being permeable.
nounThe rate of flow of a fluid through a porous material.
Sentence Examples
The high permeability of gravel makes it a poor choice for a dam.
In 1877, Pfeffer discovered the permeability effect.
CEFR Practice Quiz
The soil's high ____ allowed the rainwater to soak into the ground quickly.
CEFR Practice Quiz (Alternate)
The ____ of the membrane determines how easily substances can pass through it.
Word Origin & History
From French perméabilité, equivalent to permeable + -ity.
Literary Quotations & Historical Citations
"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:
Explore More C1 Vocabulary Words
CEFR Practice Quiz
The soil's high ____ allowed the rainwater to soak into the ground quickly.
CEFR Practice Quiz (Alternate)
The ____ of the membrane determines how easily substances can pass through it.