epitrochoid


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epitrochoid

[¦ep·ə′trō‚kȯid]
(mathematics)
A curve traced by a point rigidly attached to a circle at a point other than the center when the circle rolls without slipping on the outside of a fixed circle.
References in periodicals archive ?
Download from the App Store and play around with this neat app that renders sounds of solfeggio with colorful mandala-based images whose shapes are inspired by hypotrichoids and epitrochoids.