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Found 1 items, similar to Cassinian oval.

**English → English** (gcide)
Definition: Cassinian oval
Oval *\O"val\*, n.
A body or figure in the shape of an egg, or popularly, of an
ellipse.
[1913 Webster]
Cassinian oval (Geom.), the locus of a point the product of
whose distances from two fixed points is constant; -- so
called from Cassini, who first investigated the curve.
Thus, in the diagram, if P moves so that P A.P B is
constant, the point P describes a Cassinian oval. The
locus may consist of a single closed line, as shown by the
dotted line, or of two equal ovals about the points A and
B.
[1913 Webster]
[1913 Webster]

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