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Cardioid
An epicycloid with exactly one cusp; the plane curve with polar equation \rho = 1 + \cos\,\theta - approximately heart-shaped
📖 Definitions of "Cardioid"
noun
- 1
An epicycloid with exactly one cusp; the plane curve with polar equation \rho = 1 + \cos\,\theta - approximately heart-shaped
adjective
- 1
Having this characteristic shape
- 2
(of a microphone) sensitive in front, but not behind or at the sides
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