See also: back-up and back up

Contents

EnglishEdit

Alternative formsEdit

EtymologyEdit

back +‎ up

PronunciationEdit

NounEdit

backup ‎(plural backups)

  1. A reserve or substitute.
    If the goalkeeper is injured, we have a backup.
  2. (computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.
    After the power failure, we had to restore the database from backup.
  3. An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.
    The accident caused a mile-long backup on the highway.
    The blockage caused a backup in the plumbing.
  4. (law enforcement) reinforcements
    He's got a gun - you better send for backup.

SynonymsEdit

TranslationsEdit

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AdjectiveEdit

backup ‎(not comparable)

  1. Standby, reserve or extra.
    I am only a backup player.
  2. (computing) That is intended as a backup.
    Make a backup copy of that file.

SynonymsEdit

Usage notesEdit

Back-up is an alternative spelling of backup. Both spellings are used as either a noun or an adjective. The verb back up is always spelled as two words and never with a hyphen.

TranslationsEdit


ItalianEdit

EtymologyEdit

Borrowing from English backup.

NounEdit

backup m ‎(invariable)

  1. (computing) backup

PortugueseEdit

Alternative formsEdit

EtymologyEdit

Borrowing from English backup.

NounEdit

backup m (plural backups)

  1. (computing) backup (copy of file or record)