inodorousness

from The Collaborative International Dictionary of English v.0.48

Inodorous \In*o"dor*ous\, a. [L. inodorus. See {In-} not, and
   {Odorous}.]
   Emitting no odor; without smell; scentless; odorless. --
   {In*o"dor*ous*ness}, n.
   [1913 Webster]