| (used as a nonsense word by children to express approval or to represent the longest word in English.) |
| a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S. |
permeability (ˌpɜːmɪəˈbɪlɪtɪ) ![]() | |
| —n | |
| 1. | the state or quality of being permeable |
| 2. | relative permeability See also magnetic constant μ 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 |
| 3. | civil engineering the rate of diffusion of a fluid under pressure through soil |
| 4. | the rate at which gas diffuses through the surface of a balloon or airship, usually expressed in litres per square metre per day |
permeability per·me·a·bil·i·ty (pûr'mē-ə-bĭl'ĭ-tē)
n.
The property or condition of being permeable.
The rate of flow of a liquid or gas through a porous material.
permeability (pûr'mē-ə-bĭl'ĭ-tē) Pronunciation Key
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