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English word:    

e

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e in WordNet English dictionary

noun
  1. the 5th letter of the Roman alphabet
    E  e 
  2. the 5th letter of the Roman alphabet
    E  e 
  3. the base of the natural system of logarithms; approximately equal to 2.718282...
    e 
WordNet Lexical Database v3.0, © 2006 Princeton University