Definition of hypocycloid in English:

hypocycloid

noun

Mathematics
  • The curve traced by a point on the circumference of a circle which is rolling on the interior of another circle.

    • ‘Similarly, the vertexes of an hypocycloid are the points on the curve that coincides with an inscribed circle.’
    • ‘The present invention relates to a hypocycloid engine assembly which may be used in internal combustion engines.’
    • ‘The present invention relates to a hypocycloid gear assembly used in internal combustion engines.’
    • ‘It was also investigated by Steiner in 1856 and is sometimes called Steiner's hypocycloid.’
    • ‘If the describing circle is half the diameter of the pitch circle, the hypocycloid is a radial straight line.’

Pronunciation:

hypocycloid

/ˌhʌɪpə(ʊ)ˈsʌɪklɔɪd/