car·di·oid (kär d -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. |   constructed from circle DEF and its secants through fixed point D |
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.
| cardioid (kärd-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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| 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
cardioid [ˈkɑːdɪˌɔɪd] n (Math) → cardioide f
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