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Related to permeability coefficient: Permeability constant
permeability coefficient[‚pər·mē·ə′bil·əd·ē ‚kō·i‚fish·ənt]
The rate of water flow in gallons per day through a cross section of 1 square foot under a unit hydraulic gradient, at the prevailing temperature or at 60°F (16°C). Also known as coefficient of permeability; hydraulic conductivity; Meinzer unit.