The angle formed between a liquid droplet and the surface on which it rests, defining the wettability of the surface.

संपर्क का कोण

English Usage: The angle of contact determines whether the surface is hydrophilic or hydrophobic.

Hindi Usage: संपर्क कोण यह निर्धारित करता है कि सतह हाइड्रोफिलिक है या हाइड्रोफोबिक।