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Definitions of backup
  1. noun
    a musical part (vocal or instrumental) that supports or provides background for other musical parts
    type of:
  2. noun
    (computer science) a copy of a file or directory on a separate storage device
    "he made a backup in case the original was accidentally damaged or erased"

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  3. noun
    the act of providing approval and support
  4. noun
    someone who takes the place of another (as when things get dangerous or difficult)
    type of:
  5. noun
    an accumulation caused by clogging or a stoppage
    "a traffic backup on the main street" "he discovered a backup in the toilet"
Definition that contains backup
  • streaming (computer science) using or relating to a form of continuous tape transport; used mainly to provide backup storage of unedited data
  • backup file (computer science) a computer file dedicated to storing and updating computer backups
  • backup system a computer system for making backups
  • doo-wop a genre (usually a cappella) of Black vocal-harmony music of the 1950s that evolved in New York City from gospel singing; characterized by close four-part harmonies; the name derived from some of the nonsense syllables sung by the backup
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