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TAKE THE QUIZ“Cassini”
The following 2 entries include the term Cassini.
Cassini division
noun: the dark region between the two brightest rings of Saturn
ovals of Cassini
: a curve that is the locus of points of the vertex of a triangle whose opposite side is fixed and the product of whose adjacent sides is a constant and that has the equation [(x + a)2 + y2] [(x − a)2 + y2] − k4 = 0 where k is the constant and a is one half the length of the fixed side
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Merriam-Webster unabridged
