deallocation
/ˌdiːələˈkeɪʃən/; /diːˌælkəˈleɪʃən/Definitions
1. noun
The act or process of deallocating; the act of releasing or freeing up memory or resources that were previously allocated.
“The deallocation of system resources led to a significant improvement in the program’s performance.”
2. noun
A particular instance of deallocating or releasing resources.
“The deallocation of the server’s memory caused a temporary disruption in the online service.”