per·me·a·bil·i·ty (pûr m - -b l -t)n. pl. per·me·a·bil·i·ties 1. The property or condition of being permeable. 2. The rate of flow of a liquid or gas through a porous material. |
permeability [ˌpɜːmɪəˈbɪlɪtɪ]
n
1. the state or quality of being permeable
2. (Physics / General Physics) a measure of the response of a medium to a magnetic field, expressed as the ratio of the magnetic flux density in the medium to the field strength; measured in henries per metre. Symbol μ See also relative permeability, magnetic constant
3. (Engineering / Civil Engineering) Civil engineering the rate of diffusion of a fluid under pressure through soil
4. (Engineering / Aeronautics) the rate at which gas diffuses through the surface of a balloon or airship, usually expressed in litres per square metre per day
| permeability (pûrm--bl-t) 1. The ability of a substance to allow another substance to pass through it, especially the ability of a porous rock, sediment, or soil to transmit fluid through pores and cracks. Geologic permeability is usually measured in millidarcies. See more at darcy. 2. Magnetic permeability. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | permeability - the property of something that can be pervaded by a liquid (as by osmosis or diffusion) porosity, porousness - the property of being porous; being able to absorb fluids absorbency - the property of being absorbent impermeability, impermeableness - the property of something that cannot be pervaded by a liquid |
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