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ep•i•tro•choid



Pronunciation: (ep"i-trō'koid), [key] Geom.
a plane curve generated by the motion of a fixed point on the radius or extension of the radius of a circle that rolls externally, without slipping, on a fixed circle. The epitrochoid is a generalization of the epicycloid.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

epitrichiumepixylous

 

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