Usually means: Heart-shaped curve, mathematical entity.
Definitions Related words Phrases Mentions History
We found 29 dictionaries that define the word Cardioid:

General (20 matching dictionaries)
  1. cardioid: Merriam-Webster
  2. cardioid: Oxford Learner's Dictionaries
  3. cardioid: American Heritage Dictionary of the English Language
  4. cardioid: Collins English Dictionary
  5. cardioid: Vocabulary.com
  6. Cardioid, cardioid: Wordnik
  7. cardioid: Wiktionary
  8. cardioid: Webster's New World College Dictionary, 4th Ed.
  9. cardioid: Infoplease Dictionary
  10. cardioid: Dictionary.com
  11. Cardioid: Wikipedia, the Free Encyclopedia
  12. Cardioid: Online Plain Text English Dictionary
  13. cardioid: Webster's Revised Unabridged, 1913 Edition
  14. cardioid: Rhymezone
  15. Cardioid: AllWords.com Multi-Lingual Dictionary
  16. cardioid: Webster's 1828 Dictionary
  17. cardioid: FreeDictionary.org
  18. cardioid: The Phrontistery - A Dictionary of Obscure Words
  19. cardioid: Mnemonic Dictionary
  20. cardioid: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. cardioid: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

Science (4 matching dictionaries)
  1. Cardioid: Visual of Special Plane Curves
  2. A Glossary of Mathematical Terms (No longer online)
  3. Cardioid: Eric Weisstein's World of Mathematics
  4. cardioid: PlanetMath Encyclopedia

Tech (3 matching dictionaries)
  1. AUTOMOTIVE TERMS (No longer online)
  2. Rane Professional Audio Reference (No longer online)
  3. Sweetwater Music (No longer online)

(Note: See cardioids as well.)

Definitions from Wiktionary (cardioid)

noun:  (geometry) An epicycloid with exactly one cusp; the plane curve with polar equation ρ=1+ cos ,θ - approximately heart-shaped
adjective:  Having this characteristic shape
adjective:  (of a microphone) sensitive in front, but not behind or at the sides

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