Parabolic Point

parabolic point

[¦par·ə¦bäl·ik ′pȯint]
(mathematics)
A point on a surface where the total curvature vanishes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Parabolic Point

 

a point of a surface at which the total curvature is zero. It is often assumed that at a parabolic point the surface has a contact of order one with its tangent plane. Points with higher order of contact are called flattening points.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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(ii) When [absolute value of [lambda] - 16] = 64, z = 1 is a parabolic point.
An orbit would tend to the parabolic point alternating two "sides" (up and down of the parabolic point in this case).
These Small Diameter Break-Off Parabolic Points are .166-inch in diameter and provide a tight fit along the full length of the point's shank, thanks to their evenly spaced grooves, which hold the appropriate amount of adhesive needed to keep the points securely in place.