hypotrochoid
nounUK /ˌhaɪ.pə(ʊ)ˈtɹəʊ.kɔɪd/ · US /ˌhaɪ.poʊˈtɹoʊ.kɔɪd/
Etymology From hypo- + trochoid.
1
Geometry, Mathematics, Sciences A geometric curve traced by a fixed point on the radius line outside one circle which rotates inside the perimeter of another circle.
- Derived terms
- hypotrochoidal
- Related terms
- epitrochoid, cycloid, epicycloid, hypocycloid, spirograph