1. 
   upsilon
   [n] - the 20th letter of the Greek alphabet
   Found op http://www.webdictionary.co.uk/definition.php?query=upsilon
   
   
2. 
   upsilon
   20th Letter in the Greek alphabet. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?upsilon
   
   
3. 
   upsilon
   noun the 20th letter of the Greek alphabet
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=upsilon
   
   
4. 
   Upsilon
   • (n.) The 20th letter (/, /) of the Greek alphabet, a vowel having originally the sound of / as in room, becoming before the 4th century b. c. that French u or Ger. u. Its equivalent in English is u or y.
   Found op http://thinkexist.com/dictionary/meaning/upsilon/
   
   
5. 
   upsilon
   upsilon 1. The 20th letter of the Greek alphabet, represented in the English alphabet as 'y' or 'u'. 2. In physics, any of several ephemeral particles whose mass is ten times that of a proton. This letter has the sound of French u, Latin and Old English y; and it is transliterated in English as u ...
   Found op http://www.wordinfo.info/words/index/info/view_unit/2233/
   
   
6. 
   Upsilon
   Upsilon (uppercase Υ, lowercase υ; Ύψιλον, Úpsilon) is the 20th letter of the Greek alphabet.  In the system of Greek numerals it has a value of 400. It is derived from the Phoenician waw . The name of the letter is pronounced ˈipsilon in Modern Greek, and in English ˈʌpsɨlɒn, UK {re...
   Found op http://en.wikipedia.org/wiki/Upsilon
   
   
7. 
   upsilon
   Type: Term Pronunciation: up′si-lon Definitions: 1. The 20th letter of the Greek alphabet, Ψ.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=95803
   
   
8. 
   Upsilon
   [disambiguation] Upsilon or Ypsilon is a Greek letter. May refer to: == See also == ...
   Found op http://en.wikipedia.org/wiki/Upsilon_(disambiguation)
   
   
9. 
   upsilon
   1) 20th letter of the greek alphabet 2) Alphabetic character 3) Greek letter 4) Greek vowel 5) Letter 6) Letter of the alphabet 7) The 20th letter of the greek alphabet
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/upsilon/1
   
   

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