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We found 51 dictionaries with English definitions that include the word diameter:
Click on the first link on a line below to go directly to a page where "diameter" is defined.

General dictionaries General (30 matching dictionaries)
  1. diameter: Merriam-Webster.com [home, info]
  2. diameter: Oxford Learner's Dictionaries [home, info]
  3. diameter: American Heritage Dictionary of the English Language [home, info]
  4. diameter: Collins English Dictionary [home, info]
  5. diameter: Vocabulary.com [home, info]
  6. diameter: Macmillan Dictionary [home, info]
  7. Diameter, diameter: Wordnik [home, info]
  8. diameter: Cambridge Advanced Learner's Dictionary [home, info]
  9. diameter: Wiktionary [home, info]
  10. diameter: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. diameter: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. diameter: Infoplease Dictionary [home, info]
  13. diameter: Dictionary.com [home, info]
  14. diameter: Online Etymology Dictionary [home, info]
  15. diameter: Cambridge Dictionary of American English [home, info]
  16. Diameter (disambiguation), Diameter (graph theory), Diameter (protocol), Diameter: Wikipedia, the Free Encyclopedia [home, info]
  17. Diameter: Online Plain Text English Dictionary [home, info]
  18. diameter: Webster's Revised Unabridged, 1913 Edition [home, info]
  19. diameter: Rhymezone [home, info]
  20. diameter, diameter (de): AllWords.com Multi-Lingual Dictionary [home, info]
  21. diameter: Webster's 1828 Dictionary [home, info]
  22. Diameter: 1911 edition of the Encyclopedia Britannica [home, info]
  23. diameter: Free Dictionary [home, info]
  24. diameter: Mnemonic Dictionary [home, info]
  25. diameter: WordNet 1.7 Vocabulary Helper [home, info]
  26. diameter: LookWAYup Translating Dictionary/Thesaurus [home, info]
  27. diameter: Dictionary/thesaurus [home, info]
  28. diameter: UltraLingua English Dictionary [home, info]

Art dictionaries Art (1 matching dictionary)
  1. diameter: ArtLex Lexicon of Visual Art Terminology [home, info]

Business dictionaries Business (2 matching dictionaries)
  1. Diameter: Construction Term Glossary [home, info]
  2. diameter: Legal dictionary [home, info]

Computing dictionaries Computing (4 matching dictionaries)
  1. diameter: Free On-line Dictionary of Computing [home, info]
  2. diameter: Dictionary of Algorithms and Data Structures [home, info]
  3. DIAMETER: Linktionary Networking Glossary [home, info]
  4. diameter: Encyclopedia [home, info]

Medicine dictionaries Medicine (5 matching dictionaries)
  1. diameter: Breast Cancer Talking Dictionary [home, info]
  2. diameter: online medical dictionary [home, info]
  3. diameter: Dictionary of Cancer Terms [home, info]
  4. diameter: Medical dictionary [home, info]
  5. diameter: Hyperdictionary [home, info]

Miscellaneous dictionaries Miscellaneous (1 matching dictionary)
  1. diameter: Encyclopedia of Graphic Symbols [home, info]

Science dictionaries Science (4 matching dictionaries)
  1. Diameter: Eric Weisstein's World of Mathematics [home, info]
  2. diameter: Mars Glossary [home, info]
  3. diameter, diameter, diameter, diameter, diameter (of a graph): PlanetMath Encyclopedia [home, info]
  4. diameter (dia, X, or Ã\u0097): How Many? A Dictionary of Units of Measurement [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. diameter: Urban Dictionary [home, info]

Sports dictionaries Sports (1 matching dictionary)
  1. Diameter: Sports Definitions [home, info]

Tech dictionaries Tech (2 matching dictionaries)
  1. Diameter: AUTOMOTIVE TERMS [home, info]
  2. Diameter (inches): National Weather Service Glossary [home, info]

(Note: See diametral for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (diameter)

noun:  the length of a straight line passing through the center of a circle and connecting two points on the circumference
noun:  a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)

▸ Also see diametral
Word origin

Words similar to diameter

Usage examples for diameter

Idioms related to diameter (New!)

Popular adjectives describing diameter

Words that often appear near diameter

Rhymes of diameter

Invented words related to diameter

Phrases that include diameter:   conjugate diameter, baudelocque's diameter, biparietal diameter, pitch diameter, semi diameter, more...

Words similar to diameter:   diam, diametral, more...

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