cardioid

English

The blue curve is a cardioid

Etymology

cardio- +‎ -oid

Pronunciation

• Audio (US):

  (file)

Noun

cardioid (plural cardioids)

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

Translations

epicycloid with one cusp

• Czech: kardioida (cs) f
• Danish: kardioide c
• Esperanto: kardioido
• Finnish: kardioidi
• French: cardioïde (fr) f
• (deprecated template usage) {{trans-mid}}
• German: Kardioide (de) f, Herzkurve f
• Italian: cardioide f
• Korean: 하트방정식 (hateubangjeongsik)
• Polish: kardioida (pl) f
• Russian: кардиоида (ru) (kardioida)

Adjective

cardioid (comparative more cardioid, superlative most cardioid)

1. Having this characteristic shape
2. (of a microphone) sensitive in front, but not behind or at the sides

Derived terms

Derived terms

• cardioid catacaustic
• cardioid condenser
• cardioid coordinate
• cardioid evolute

• cardioid inverse curve
• cardioid involute
• cardioid microphone
• hypercardioid
• supercardioid

Anagrams

• caridoid, cidaroid