Ep`i*cy*cloid"al (?), a.

Pertaining to the epicycloid, or having its properties.

Epicycloidal wheel, a device for producing straight-line motion from circular motion, on the principle that a pin fastened in the periphery of a gear wheel will describe a straight line when the wheel rolls around inside a fixed internal gear of twice its diameter.


© Webster 1913.

Log in or register to write something here or to contact authors.