the ability of a material to allow fluids to pass through it

the measure of the efficiency of a porous medium

एक कवर्तुमय माध्यम की दक्षता का माप

English Usage: The permeability constants of the rock are essential for the construction of a dam.

Hindi Usage: चट्टान के पारगम्यता.constants एक बाँध के निर्माण के लिए आवश्यक हैं।