Conical surface

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(Geom.) a surface described by a right line moving along any curve and always passing through a fixed point that is not in the plane of that curve.

See also: Conic

References in periodicals archive ?
The conical surface is developed on the plane unlike the sphere.
Regarding the object basic shape, the objects are divided into objects with an: angular surface, cylindrical surface, ball-shaped surface, conical surface, various profile surface, general shape surface (fig.
The current point coordinates of the curve placed on the truncated conical surface, A(x,y, [z.