preservation
🇺🇸
/ˌprezərˈveɪʃn/
🇬🇧
/ˌprezəˈveɪʃn/
keeping something in its original or good condition
The preservation of old buildings helps us remember our history.
making sure something is kept safe
Workers fought for the preservation of their jobs during the strike.
how well something is kept from damage over time
The museum's careful preservation kept the ancient artifacts in perfect condition.