cardioid

cardioidThe parametric equations of this cardioid arex = -a cos θ (1 - cos θ),y = a sin θ (1 - cos θ).

car·di·oid

C0108800 (kär′dē-oid′)n. A heart-shaped plane curve, the locus of a fixed point on a circle that rolls on the circumference of another circle with the same radius.

cardioid

(ˈkɑːdɪˌɔɪd) n (Mathematics) a heart-shaped curve generated by a fixed point on a circle as it rolls around another fixed circle of equal radius, a. Equation: r = a(1 – cos φ), where r is the radius vector and φ is the polar angle

car•di•oid

(ˈkɑr diˌɔɪd)

n. a heart-shaped curve traced by a point on a circle that rolls without slipping on another equal circle. Equation: r = a (1−cosA). [1745–55; < Greek kardioeidḗs heart-shaped]

Thesaurus

Noun

1.

cardioid - an epicycloid in which the rolling circle equals the fixed circleepicycloid - a line generated by a point on a circle rolling around another circle

Translations