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hypocycloid

[hahy-puh-sahy-kloid]
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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.

Origin of hypocycloid

First recorded in 1835–45; hypo- + cycloid
Related formshy·po·cy·cloi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hypocycloid

Historical Examples

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

    The New Gresham Encyclopedia

    Various


British Dictionary definitions for hypocycloid

hypocycloid

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 circleCompare epicycloid, cycloid (def. 4)
Derived Formshypocycloidal, adjective
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 in Science

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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