deduplication
/diːˌdjuːplɪˈkeɪʃ(ə)n
/noun [mass noun]
The elimination of duplicate or redundant information, especially in computer data: deduplication removes the repetitive information before storing it...
- Disk-based storage with deduplication can offer protection as well as efficient and high-speed backup and recovery processes.
- There is a degree of compression and deduplication with the focus being on performance rather than lowering the cost / GB.
- The array also offers deduplication and hardware-based data compression capabilities.
Origin
Mid 19th century (in botanical sense 'division of one organ into two'): via French from de- + duplication.