hypocycloid

[ hahy-puh-sahy-kloid ]

Phonetic (Standard)IPA

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.

hypocycloid

/ ˌhaɪpəˈsaɪklɔɪd /

See cycloid, epicycloid
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

hypocycloid

/ hī′pō-sī′kloid′ /

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.

First recorded in 1835–45; hypo- + cycloid

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'.

April 18, 2024petrichor

[pet-ri-kawr]

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