# cardioid

- cardioide

*English-Spanish mathematics dictionary.
James G., James R.C..
1964.*

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**Cardioid**— is closed curve with one cusp.DefinitionIn geometry, the cardioid is an epicycloid with one cusp. Construction* epicycloid produced as the path (or locus) of a point on the circumference of a circle as that circle rolls around another fixed… … Wikipedia**Cardioid**— Car di*oid, n. [Gr. kardio eidh s heart shaped; kardi a heart + e i^dos shape.] (Math.) An algebraic curve, so called from its resemblance to a heart. [1913 Webster] … The Collaborative International Dictionary of English**cardioid**— [kär′dē oid΄] n. [Gr kardioeidēs, heart shaped < kardia, HEART + oeidēs, OID] 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 … English World dictionary**cardioid**— noun 1》 Mathematics a heart shaped curve traced by a point on the circumference of a circle as it rolls around another identical circle. 2》 a directional microphone with a pattern of sensitivity of this shape. adjective of the shape of a cardioid … English new terms dictionary**cardioid**— noun Date: 1753 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 ± cos θ) or ρ = a(1 ± sin θ) in polar coordinates … New Collegiate Dictionary**cardioid**— heart shaped … Dictionary of ichthyology**cardioid**— /kahr dee oyd /, n. Math. a somewhat heart shaped curve, being the path of a point on a circle that rolls externally, without slipping, on another equal circle. Equation: r = a (1 cosA). [1745 55; < Gk kardioeidés heart shaped. See CARDI , OID] * … Universalium**cardioid**— 1. noun An epicycloid with exactly one cusp; the plane curve with polar equation having a shape supposedly heart shaped 2. adjective Having this characteristic shape … Wiktionary**cardioid**— Resembling a heart. [cardi + G. eidos, resemblance] * * * car·di·oid (kahrґde oid) heartlike; resembling a heart … Medical dictionary**cardioid**— heart shaped Shapes and Resemblance … Phrontistery dictionary**cardioid**— n. heart shaped geometrical figure (Mathematics) … English contemporary dictionary