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We found 37 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 (22 matching dictionaries)
  1. Sigma, sigma: Oxford Dictionaries [home, info]
  2. sigma: American Heritage Dictionary of the English Language [home, info]
  3. sigma: Collins English Dictionary [home, info]
  4. sigma: Vocabulary.com [home, info]
  5. sigma: Merriam-Webster's Online Dictionary, 11th Edition [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, Sigma (Digimon), Sigma (Greek), Sigma (Mega Man), Sigma (Mega Man X), Sigma (band), Sigma (character), Sigma (cosmology), Sigma (couch), Sigma (disambiguation), Sigma (duo), Sigma (group), Sigma (letter), Sigma (particle), 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: Free Dictionary [home, info]
  19. sigma: Mnemonic Dictionary [home, info]
  20. sigma: WordNet 1.7 Vocabulary Helper [home, info]
  21. sigma: LookWAYup Translating Dictionary/Thesaurus [home, info]
  22. 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]

Quick definitions from WordNet (sigma)

noun:  the 18th letter of the Greek alphabet

Phrases that include sigma:   delta sigma converter, delta sigma modulator, rna polymerase sigma 54, sigma additive, sigma alpha iota, more...

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

Search for sigma on Google or Wikipedia

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