English

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The red curve is an epitrochoid.

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Noun

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epitrochoid (plural epitrochoids)

  1. A geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine

Derived terms

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Translations

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See also

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