Source : Webster's Revised Unabridged Dictionary (1913)

Putrescible \Pu*tres"ci*ble\, a.
   Capable of putrefaction; liable to become putrid; as,
   putrescible substances.

Putrescible \Pu*tres"ci*ble\, n.
   A substance, usually nitrogenous, which is liable to undergo
   decomposition when in contact with air and moisture at
   ordinary temperatures.

Source : WordNet®

putrescible
     adj : liable to decay or spoil or become putrid [syn: {decayable},
            {putrefiable}, {spoilable}]