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Definition:
the radius of the circle of curvature; the absolute value of the reciprocal of the curvature of a curve at a given point
Your choice?
- radius of curvature
- raffia (Definition: feather palm of tropical Africa and Madagascar and Central and South America widely grown for commercial purposes)
- ragee (Definition: East Indian cereal grass whose seed yield a somewhat bitter flour, a staple in the Orient)
- rail
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