[1] : The Collaborative International Dictionary of English v.0.48

immutable \immu"table\, a. l. immutabilis; pref. im- not +
   mutabilis mutable. see mutable.
   not mutable; not capable or susceptible of change;
   unchangeable; unalterable.
   1913 webster

         that by two immutable things, in which it was
         impossible for god to lie, we might have a strong
         consolation.                             --heb. vi. 18.
   1913 webster

         immutable, immortal, infinite,
         eternal king.                            --milton.
   -- immu"tableness, n. -- immu"tably, adv.
   1913 webster
see also:
mutable immu"tableness immu"tably 

[2] : WordNet (r) 2.0

immutableness
     n : the quality of being incapable of mutation; "darwin
         challenged the fixity of species" syn: immutability, fixity
         ant: mutability, mutability
see also:
immutability fixity mutability 

Immutableness >> I Words
Immutableness, definition of term: Immutableness
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