Talk:Epitrochoid

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[edit] Pronunciation

Epitrochoid. How is this word pronounced?

Eppi-TRO-koid

[edit] Smooth rolling?

If the outer circle is not required to roll smoothly around the outer circle, is the curve still an Epitrochoid? If not, what would the more general curve be called? —Preceding unsigned comment added by 206.53.197.12 (talk) 02:30, 4 November 2007 (UTC)