DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   modulus
       n 1: an integer that can be divided without remainder into the
            difference between two other integers; "2 is a modulus of 5
            and 9"
       2: the absolute value of a complex number
       3: (physics) a coefficient that expresses how much of a
          specified property is possessed by a specified substance