Cardioid definition

kärdē-oid
A heart-shaped plane curve, the locus of a fixed point on a circle that rolls on the circumference of another circle with the same radius.
noun
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(math.) A curve more or less in the shape of a heart, traced by a point on the circumference of a circle that rolls around the circumference of another equal circle.
noun
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A heart-shaped plane curve, the locus of a fixed point on a circle that rolls on the circumference of another circle with the same radius.
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(geometry) An epicycloid with exactly one cusp; the plane curve with polar equation - having a shape supposedly heart-shaped.
noun
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Having this characteristic shape.
adjective
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Other Word Forms

Noun

Singular:
cardioid
Plural:
cardioids

Origin of cardioid

  • cardio- +‎ -oid

    From Wiktionary

Cardioid Sentence Examples

  • The combination of rays is also sufficient in practice if the cardioid surface is replaced, by a spherical one.

  • The form of the limacon depends on the ratio of the two constants; if a be greater than b, the curve lies entirely outside the circle; if a equals b, it is known as a cardioid; if a is less than b, the curve has a node within the circle; the particular case when b= 2a is known as the trisectrix.

  • This may be readily accomplished geometrically or analytically, and it will be found that the envelope is a cardioid, i.e.

  • The two ' bulbs ' shown here are directly attached to the main cardioid.

  • Examples A classic style of microphone for speech recording in interview situations is a hand-held dynamic cardioid microphone.

More sentences

Words near cardioid in the Dictionary