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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Integer \In"te*ger\, n. [L. integer untouched, whole, entire.
      See Entire.]
      A complete entity; a whole number, in contradistinction to a
      fraction or a mixed number.
      [1913 Webster]
      Complex integer (Theory of Numbers), an expression of the
         form a + b[root]-1, where a and b are real integers.
         [1913 Webster]