- 1. n. An algebraic curve, so called from its resemblance to a heart. Source: opted
- 2. n. an epicycloid in which the rolling circle equals the fixed circle Source: wordnet
- 3. An algebraic curve, so called from its resemblance to a heart. Source: webster
- 4. n an epicycloid in which the rolling circle equals the fixed circle Source: ecdict
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cardioid
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