Putre*fac"tive*ness

from The Collaborative International Dictionary of English v.0.48

Putrefactive \Pu`tre*fac"tive\, a. [Cf. putr['e]factif. See
   {Putrefy}.]
   1. Of or pertaining to putrefaction; as, the putrefactive
      smell or process. --Wiseman.
      [1913 Webster]

   2. Causing, or tending to promote, putrefaction.
      [1913 Webster] -- {Pu``tre*fac"tive*ness}, n.
      [1913 Webster]