different between spirograph vs hypotrochoid

spirograph

English

Etymology

spiro- +? graph

Noun

spirograph (plural spirographs)

  1. (medicine) an instrument for measuring and recording the depth and rapidity of breathing movements

Related terms

  • spirogram

Translations

spirograph From the web:

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hypotrochoid

English

Etymology

hypo- +? trochoid

Pronunciation

  • (UK) IPA(key): /?ha?.p?(?)?t???.k??d/
  • (US) IPA(key): /?ha?.po??t?o?.k??d/, /?ha?.p??t?o?.k??d/

Noun

hypotrochoid (plural hypotrochoids)

  1. (geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates inside the perimeter of another circle.

Derived terms

  • hypotrochoidal

Translations

See also

  • hypotrochoid on Wikipedia.Wikipedia
  • epitrochoid
  • cycloid
  • epicycloid
  • hypocycloid
  • spirograph

hypotrochoid From the web:

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