deduplication
nounUK /diːˌdjuːplɪˈkeɪʃən/
US /diːˌduːplɪˈkeɪʃən/
The act of removing copies so only one of each thing is left.
The computer program does deduplication to save space by keeping only one copy of each file.
RELATED WORDS
OTHER MEANINGS
2. In computing, the process of eliminating redundant copies of data to save storage space.
Data deduplication reduced the backup size by half.
3. In data entry, the process of finding and merging records that refer to the same person or item.
The database team ran deduplication to merge duplicate customer records.
4. In genetics, the removal of repeated sequences from a DNA sample before analysis.
Read deduplication improved the accuracy of the sequencing results.