preservation

preservation /ˌprɛzɚˈveɪʃən/ noun
preservation
/ˌprɛzɚˈveɪʃən/
noun
Britannica Dictionary definition of PRESERVATION
[noncount]
1 
: the act of preserving something: such as
a  : the act of keeping something in its original state or in good condition — often + of
b  : the act of keeping something safe from harm or loss — often + of
c  : the act of using a particular treatment on a food so that it can be eaten in the future
2 
: the degree to which something is kept safe from harm or ruin
— see also self-preservation