cartesian oval

cartesian oval

[kär′tē·zhən ′ō·vəl]
(mathematics)
A plane curve consisting of all points P such that aFP + bFP = c, where F and F ′ are fixed points and a, b, and c are constants which are not necessarily positive.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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