In geometry, a cardioid (from Greek καρδιά (kardiá) 'heart') is a plane curve traced by a point on the perimeter of a circle that is rolling around a fixed circle of the same radius.

Mar 25, 2026 · The cardioid has a cusp at the origin. The name cardioid was first used by de Castillon in Philosophical Transactions of the Royal Society in 1741. Its arc length was found by la Hire in 1708. …

Jan 11, 2023 · A cardioid (from Greek, "heart-shaped") is a mathematically generated shape resembling a valentine heart or half an apple. Constructing a cardioid on a polar graph is done using equations.

What Is Cardioid? A cardioid is a heart-shaped curve created by tracing a point on the edge of a circle as that circle rolls around another circle of the same size, without slipping. The name 'cardioid' …

A cardioid is a plane curve traced by a point of a circle that is rolling on the circumference of another circle of the same radius. A cardioid is also called a Greek heart.

Jul 23, 2025 · A cardioid is a specific type of mathematical curve that resembles the shape of a heart. It is a plane curve generated by a point on the circumference of a circle that rolls around a fixed circle …

The meaning of CARDIOID is a heart-shaped curve that is traced by a point on the circumference of a circle rolling completely around an equal fixed circle and has an equation in one of the forms ρ = a (1 …

To find the equation written in the header, take the conchoid of the circle (C), centred in W (a /2, 0) passing through O, with respect to O and modulus a (therefore, the cardioid is a special case of …

3 days ago · What is a cardioid microphone? Learn how this pickup pattern works, why it reduces background noise, and why it’s ideal for streaming, podcasting, and recording.

Discover the meaning of cardioids. Learn about cardioid equations, their geometrical structure, cardioid graphs, and see examples of cardioids in polar form.