backup

noun · adjective · verbA2

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Danh từ

noun
Plural noun:
backupsback-up
  1. 1.

    (countable, uncountable)A reserve or substitute.

    If the goalkeeper is injured, we have a backup.

  2. 2.

    (countable, uncountable)(computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is damaged or destroyed.

    After the power failure, we had to restore the database from backup.

  3. 3.

    (countable, uncountable)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. 4.

    (uncountable)(law enforcement, uncountable) Reinforcements.

    He's got a gun! You'd better send for backup.

  5. 5.

    (broadly, uncountable)(uncountable, by extension) Any support or extra help.

  6. 6.

    (uncountable)(music, uncountable) Accompaniment.

  7. 7.

    (uncountable)Corroboration.

Tính từ

adjective
Comparative
back-up
  1. 1.

    (not comparable)Standby, reserve or extra.

    I am only a backup player.

  2. 2.

    (not comparable)(computing) That is intended as a backup.

    Make a backup copy of that file.

  3. 3.

    (not comparable)Supporting, reinforcing; (music) of or related to accompaniment

Động từ

verb
V_es/s
backups
V_ing/Gerund
backupping
V_ed/pp
backuppedback-up
  1. 1.

    (alt of, alternative, nonstandard)(computing, nonstandard) Alternative form of back up.

Từ liên quan

Cùng gốc / liên quan

battery backup

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Nguồn dữ liệu: freedict, wiktionary · cập nhật 13/8/2026

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