Search Result for "invisibility": 
Wordnet 3.0

NOUN (1)

1. the quality of not being perceivable by the eye;
[syn: invisibility, invisibleness]



The Collaborative International Dictionary of English v.0.48:

Invisibility \In*vis`i*bil"i*ty\, n.; pl. Invisibilities. [L.
   invisibilitas: cf. F. invisibilit['e].]
   The state or quality of being invisible; also, that which is
   invisible. "Atoms and invisibilities." --Landor.
   [1913 Webster]


WordNet (r) 3.0 (2006):

invisibility
    n 1: the quality of not being perceivable by the eye [syn:
         invisibility, invisibleness] [ant: visibility,
         visibleness]