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We found 39 dictionaries with English definitions that include the word sigma:
Click on the first link on a line below to go directly to a page where "sigma" is defined.

General dictionaries General (24 matching dictionaries)
  1. sigma: Merriam-Webster.com [home, info]
  2. Sigma, sigma: Oxford Learner's Dictionaries [home, info]
  3. sigma: American Heritage Dictionary of the English Language [home, info]
  4. sigma: Collins English Dictionary [home, info]
  5. sigma: Vocabulary.com [home, info]
  6. Sigma, sigma: Wordnik [home, info]
  7. sigma: Wiktionary [home, info]
  8. sigma: Webster's New World College Dictionary, 4th Ed. [home, info]
  9. sigma: The Wordsmyth English Dictionary-Thesaurus [home, info]
  10. sigma: Infoplease Dictionary [home, info]
  11. sigma: Dictionary.com [home, info]
  12. sigma: UltraLingua English Dictionary [home, info]
  13. SIGMA (verification service), SIGMA, Sigma (DJs), Sigma (Mega Man X), Sigma (album), Sigma (band), Sigma (cosmology), Sigma (couch), Sigma (disambiguation), Sigma (duo), Sigma (group), Sigma (letter), Sigma (sailplane), Sigma: Wikipedia, the Free Encyclopedia [home, info]
  14. Sigma: Online Plain Text English Dictionary [home, info]
  15. sigma: Webster's Revised Unabridged, 1913 Edition [home, info]
  16. sigma: Rhymezone [home, info]
  17. Sigma: AllWords.com Multi-Lingual Dictionary [home, info]
  18. sigma: Hutchinson's Dictionary of Difficult Words [home, info]
  19. sigma: Free Dictionary [home, info]
  20. sigma: Hutchinson Dictionaries [home, info]
  21. sigma: Mnemonic Dictionary [home, info]
  22. sigma: WordNet 1.7 Vocabulary Helper [home, info]
  23. sigma: LookWAYup Translating Dictionary/Thesaurus [home, info]
  24. sigma: Dictionary/thesaurus [home, info]

Business dictionaries Business (3 matching dictionaries)
  1. Sigma: Glossary of Media Terms [home, info]
  2. Sigma: Comprehensive Financial [home, info]
  3. sigma: BusinessDictionary.com [home, info]

Computing dictionaries Computing (3 matching dictionaries)
  1. SIGMA: Free On-line Dictionary of Computing [home, info]
  2. SIGMA: CCI Computer [home, info]
  3. Sigma (letter), sigma: Encyclopedia [home, info]

Medicine dictionaries Medicine (2 matching dictionaries)
  1. SIGMA, sigma: online medical dictionary [home, info]
  2. Sigma (letter), sigma: Medical dictionary [home, info]

Miscellaneous dictionaries Miscellaneous (2 matching dictionaries)
  1. SiGMA: Acronym Finder [home, info]
  2. SIGMA: AbbreviationZ [home, info]

Science dictionaries Science (3 matching dictionaries)
  1. Sigma: Eric Weisstein's World of Mathematics [home, info]
  2. Sigma: Extragalactic Astronomy [home, info]
  3. sigma: How Many? A Dictionary of Units of Measurement [home, info]

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

Tech dictionaries Tech (1 matching dictionary)
  1. sigma: Schlumberger Oilfield Glossary [home, info]

(Note: See sigmas for more definitions.)

Quick definitions from WordNet (sigma)

noun:  the 18th letter of the Greek alphabet

▸ Also see sigmas

Words similar to sigma

Usage examples for sigma

Idioms related to sigma (New!)

Popular adjectives describing sigma

Words that often appear near sigma

Rhymes of sigma

Invented words related to sigma

Phrases that include sigma:   sigma bond, lunate sigma, sigma bonds, alpha sigma alpha, delta sigma converter, more...

Words similar to sigma:   ess, fire, more...

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