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Definition of Cardioid
1. Noun. An epicycloid in which the rolling circle equals the fixed circle.
Generic synonyms: Epicycloid
Definition of Cardioid
1. n. An algebraic curve, so called from its resemblance to a heart.
Definition of Cardioid
1. a heart-shaped curve [n -S]
Medical Definition of Cardioid
1. Resembling a heart. Origin: cardi-+ G. Eidos, resemblance (05 Mar 2000)