cardioid

Fetched 2026-10-26 (cache).

Synonyms: carditid, carcinoid, cardio, carditic, cardinia, carditis, cardio-, caraboid, cardioids, candidid, caridoid

Antonyms: carditid, carcinoid, cardio, carditic, cardinia, carditis, cardio-, caraboid, cardioids, candidid, caridoid

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|geometry}} An [[epicycloid]] with exactly one [[cusp]]; the [[plane curve]] with [[polar equation]] <math>\rho = 1 + \cos\,\theta</math> - approximately [[heart-shaped]] {{C|en|Curves}}

Adjective

1. Having this characteristic shape
2. {{lb|en|of a microphone}} [[sensitive]] in front, but not behind or at the sides

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.