cardioid

Etymology
.

Noun

 * 1)  An epicycloid with exactly one cusp; the plane curve with polar equation $$\rho = 1 + \cos\,\theta$$ - approximately heart-shaped

Translations

 * Czech:
 * Danish: kardioide
 * Esperanto: kardioido
 * Finnish: kardioidi
 * French:
 * German:, Herzkurve
 * Italian:
 * Korean: 하트방정식
 * Polish:
 * Russian:

Adjective

 * 1) Having this characteristic shape
 * 2)  sensitive in front, but not behind or at the sides

Derived terms

 * hypercardioid
 * supercardioid
 * hypercardioid
 * supercardioid
 * hypercardioid
 * supercardioid
 * hypercardioid
 * supercardioid
 * supercardioid