Origin: Latin suffix -ure
Curvature has 4 different meanings across 1 category:
the rate of change (at a point) of the angle between a curve and a tangent to the curve
"The mathematician calculated the curvature at that specific vertex by measuring how rapidly the angle between the path and its instantaneous tangent was shifting."
The shape of something curved.
"The curvature of the old bridge's arch made it look like a giant smile against the gray sky."