imperishableness

from WordNet (r) 3.0 (2006)

imperishableness
    n 1: the property of being resistant to decay; "he advertised
         the imperishability of the product" [syn:
         {imperishability}, {imperishableness}, {imperishingness}]

from The Collaborative International Dictionary of English v.0.48

Imperishable \Im*per"ish*a*ble\, a. [Pref. im- not + perishable:
   cf. F. imp['e]rissable.]
   Not perishable; not subject to decay; indestructible;
   enduring permanently; as, an imperishable monument;
   imperishable renown. -- {Im*per"ish*a*ble*ness}, n. --
   {Im*per"ish*a*bly}, adv.
   [1913 Webster]