The gradual bending or curving of the earth's surface, usually due to its spherical shape.

पृथ्वी की वक्रता

English Usage: The curvature of the Earth can be observed when looking at the horizon over the ocean.

Hindi Usage: समुद्र के किनारे क्षितिज को देखते समय पृथ्वी की वक्रता देखी जा सकती है।