centre of curvature

British  

noun

1. 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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Example Sentences

The distance from P to the centre of curvature is the radius of curvature.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

For instance, if the radius of curvature of the cathode be 1.5 inches, the centre of curvature may lie something like an eighth of an inch or less in front of the anode.

From On Laboratory Arts by Threlfall, Richard

Then if O is the centre of curvature in the plane of the paper, and BO = u, 1 = cos�ω + sin�ω .

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various

The source and screen are partly independent, and each is provided with a fine adjustment which serves to place it in position near the centre of curvature.

From On Laboratory Arts by Threlfall, Richard

It is an application of the principle of having the cutting tool as long as the radius of curvature, and allowing it to move about the centre of curvature.

From On Laboratory Arts by Threlfall, Richard