The Collaborative International Dictionary of English v.0.48:

Glutinosity \Glu`ti*nos"i*ty\, n. [Cf. F. glutinosit['e] .]
   The quality of being glutinous; viscousness. [R.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

glutinosity
    n 1: the property of having a viscosity like jelly [syn:
         gelatinousness, glutinosity, glutinousness]