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backup

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Italo Calvino
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English

Etymology

From back up

Alternative spellings

Noun

Singular
backup

Plural
{{{1}}}

backup ({{{1}}})
  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 that halts the flow or movement of something.
    The blockage caused a backup in the plumbing.

Synonyms

Translations

Adjective

backup (not comparable)

Positive
backup

Comparative
not comparable

Superlative
none (absolute)

  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.

Synonyms

Usage notes

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

Translations

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