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cardioid
[ kahr-dee-oid ]
noun
, Mathematics.
- a somewhat heart-shaped curve, being the path of a point on a circle that rolls externally, without slipping, on another equal circle. Equation: r = a (1−cosA).
cardioid
/ ˈkɑːdɪˌɔɪd /
noun
- 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
cardioid
/ kär′dē-oid′ /
- 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.
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