definition of
preservation

[1] #1 preservation n. [saving] the activity of protecting something from loss or danger. wn

[2] #2 preservation n. the condition of being (well or ill) preserved. wn

[3] #3 preservation n. a process that saves organic substances from decay. wn

[4] #4 preservation n. [conservation] an occurrence of improvement by virtue of preventing loss or injury or other change. wn