Noun
the radius of the circle of curvature; the absolute value of the reciprocal of the curvature of a curve at a given point
Source: WordNetA full shadow of the Earth on the Moon has an apparent radius of curvature equal to the difference between the apparent radii of the Earth and the Sun as seen from the Moon. Source: Internet
Also, the radial distance r need not be related to the radius of curvature of the path. Source: Internet
Bernoulli's work extended to finding the radius of curvature of curves expressed in these coordinates. Source: Internet
If both surfaces have the same radius of curvature, the lens is equiconvex. Source: Internet
If the orientation of the tangent relative to some starting position is θ(s), then ρ(s) is defined by the derivative dθ/ds: : The radius of curvature usually is taken as positive (that is, as an absolute value), while the curvature κ is a signed quantity. Source: Internet
It had a large radius of curvature, or was composed of separate elements which, irrespective of their own radii of curvature, were arranged close to each other so that the outside ideal surface enveloping them has a large radius. Source: Internet