epi·cy·cloid
| \ ˌe-pə-ˈsī-ˌklȯid
\
\
Definition of epicycloid
: a curve traced by a point on a circle that rolls on the outside of a fixed circle
Illustration of epicycloid
epicycloid E, traced by point P, on circle R, rolling on fixed circle F
Other Words from epicycloid
epicycloidal
\
ˌe-pə-sī-ˈklȯi-dᵊl
\
adjective
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adjective
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Cite this Entry
“Epicycloid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epicycloid. Accessed 28 Sep. 2021.
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Time Traveler for epicycloid
The first known use of epicycloid was circa 1696
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