center of curvature


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center of curvature

[′sen·tər əv ′kər·və·chər]
(mathematics)
At a given point on a curve, the center of the osculating circle of the curve at that point.
References in periodicals archive ?
You move the tester to bring the light close to the block and near the center of curvature.
If the reference element is to cover an f/3 beam, the concave side of the lens should be approximately f/2 at the center of curvature (that is, different enough so it will not create a visible reflection).
When testing a mirror at its center of curvature, darken the room first.

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