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noun | verb | to phrases
backup ['bækʌp] n
comp., MS copi wrth gefn (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files)
 English thesaurus
backup ['bækʌp] abbr.
abbr., mil., WMD back.
IT Files, equipment, data and procedures available for use in the event of a failure or loss, if the originals are destroyed or out of service
Backup ['bækʌp] abbr.
abbr., file.ext. .bak (file name extension); .bk! (file name extension, WordPerfect); .xlk (file name extension, Microsoft-Excel)
backup: 9 phrases in 1 subject