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hypocycloid

[ hahy-puh-sahy-kloid ]

noun

, Geometry.
  1. a curve generated by the motion of a point on the circumference of a circle that rolls internally, without slipping, on a given circle.


hypocycloid

/ ˌhaɪpəˈsaɪklɔɪd /

noun

  1. a curve described by a point on the circumference of a circle as the circle rolls around the inside of a fixed coplanar circle Compare epicycloid cycloid
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


hypocycloid

/ hī′pō-sīkloid′ /

  1. 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.


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Derived Forms

  • ˌhypocyˈcloidal, adjective
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Other Words From

  • hypo·cy·cloidal adjective
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Word History and Origins

Origin of hypocycloid1

First recorded in 1835–45; hypo- + cycloid
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Example Sentences

But the minimum of friction is attained when the two flanks for the tooth are drawn into one common hypocycloid, as in Fig. 53.

The curve generated by rolling on the concave side is called a 'hypocycloid'.

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