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hypocycloid

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hy⋅po⋅cy⋅cloid

[hahy-puh-sahy-kloid]
–noun Geometry.
a curve generated by the motion of a point on the circumference of a circle that rolls internally, without slipping, on a given circle.

Origin:
1835–45; hypo- + cycloid


hy⋅po⋅cy⋅cloi⋅dal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To hypocycloid
hy·po·cy·cloid   (hī'pō-sī'kloid')   


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n.  The plane locus of a point fixed on a circle that rolls on the inside circumference of a fixed circle.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
hypocycloid   (hī'pō-sī'kloid')  Pronunciation Key 


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The curve described by a point on the circumference of a circle as the circle rolls on the inside of the circumference of a second, fixed circle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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