immutability

/ɪˌmjutəˈbɪləti/
noun
  1. The quality of not changing or being unable to be changed.
    • Some people believe in the immutability of the soul.
    • The immutability of the laws of physics is a basic principle of science.
    • The software's immutability made it secure against tampering.
What does "immutability" mean? | whatsthatwordmean | whatsthatwordmean