Search Result for "degree of freedom":
Wordnet 3.0

NOUN (2)

1. (statistics) an unrestricted variable in a frequency distribution;

2. one of the minimum number of parameters needed to describe the state of a physical system; 



WordNet (r) 3.0 (2006):

degree of freedom
    n 1: (statistics) an unrestricted variable in a frequency
         distribution
    2: one of the minimum number of parameters needed to describe
       the state of a physical system