Source : Webster's Revised Unabridged Dictionary (1913)

Adiposeness \Ad"i*pose`ness\, Adiposity \Ad`i*pos"i*ty\, n.
   The state of being fat; fatness.

Source : WordNet®

adiposeness
     n : having the property of containing fat; "he recommended
         exercise to reduce my adiposity" [syn: {adiposity}, {fattiness}]