Share this entry
epicycloid Syllabification: ep·i·cy·cloid
Pronunciation: /ˌepəˈsīkloid/

Definition of epicycloid in English:


A curve traced by a point on the circumference of a circle rolling on the exterior of another circle.
Example sentences
  • He also investigated caustic curves and in particular he studied these associated curves of the parabola, the logarithmic spiral and epicycloids around 1692.
  • The nephroid is the epicycloid formed by a circle of radius a rolling externally on a fixed circle of radius 2a.
  • These are the epicycloid, the epitrochoid, the hypocycloid and the hypotrochoid and they are traced by a point P on a circle of radius b which rolls round a fixed circle of radius a.


Pronunciation: /ˌepəˌsīˈkloidl/
Definition of epicycloid in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources