Definitions for "Water repellency"
The ability to resist penetration by water, but not stop its penetration over prolonged exposure.
Control of water absorption through the coating. Water beading is sometimes used as an indication of water repellency.
the ability to resist penetration by water. Not as rigorous a standard as waterproofness. Water repellent fabrics cause water to bead up on their surfaces while allowing insensible perspiration to pass through. Water beads up and rolls off a water-repellent fabric.