Search Result for "reversibility": 
Wordnet 3.0

NOUN (1)

1. the quality of being reversible in either direction; 



The Collaborative International Dictionary of English v.0.48:

Reversibility \Re*vers`i*bil"i*ty\, n.
   The quality of being reversible. --Tyndall.
   [1913 Webster]


WordNet (r) 3.0 (2006):

reversibility
    n 1: the quality of being reversible in either direction [ant:
         irreversibility]