centre of curvature


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centre of curvature

n
(Mathematics) the point on the normal at a given point on a curve on the concave side of the curve whose distance from the point on the curve is equal to the radius of curvature
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Noun1.centre of curvature - the center of the circle of curvature
midpoint, centre, center - a point equidistant from the ends of a line or the extremities of a figure
References in periodicals archive ?
The telescope has successfully passed the centre of curvature test, an important optical measurement of Webb's fully assembled primary mirror prior to cryogenic testing, and the last test held at NASA's Goddard Space Flight Center in Greenbelt, Maryland, before the spacecraft is shipped to NASA's Johnson Space Center in Houston for more testing.
When accurately mounted it produced, at its centre of curvature (double the focal length), an amazing real image of the hidden light globe.
This frame presents the circle of curvature at the point of trajectory, the centre of the curvature, the evolute that draws the centre of curvature and the arrows proportional to the real velocities and accelerations.

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