backup

n.

1. 1. A reserve or substitute.
   2. Computer Science. A copy of a program or file that is stored separately from the original.
2. 1. Support or backing.
   2. Music. A background accompaniment, as for a performer.
3. An overflow or accumulation caused by clogging or by a stoppage: a backup in the sink; a backup of traffic at the drawbridge.

adj.
Extra; standby: a backup pilot.

Duplicate copies of data on different storage media or additional hardware resources ready to take over if the main system fails. "Backup" (one word) is the noun, whereas "back up" (two words) is the verb. See backup types, backup file, backup & recovery, disaster recovery, fault tolerant and LAN free backup.

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Computer security protection method whereby several duplicate data files are stored on Secondary Storage Devices in the event a catastrophic event damages the computer's main file storage system. It is advisable to store backup data files in different locations to guard against loss in the event of a fire, theft, or other unplanned event.

adjective

Used or held in reserve: auxiliary, emergency, reserve, secondary, standby, supplemental, supplementary. See increase/decrease.

1. That part of a masonry wall behind the exterior facing.
2. A compressible material used behind a sealant to reduce its depth and to support the sealant against sag or indentation. 3. Overflow in a drain or piping system, due to stoppage.
4. A condition where waste water flows back into another fixture or compartment or water line (but does not flow back into the potable water system).

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IN BRIEF: n. - The act of providing approval and support; (computer science) a copy of a file or directory on a separate storage device; Someone who takes the place of another.

Tutor's tip: When you "back up" (move backward), you may back into your "backup" (one who reinforces another) if he or she is standing behind you.

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Dansk (Danish)
n. - støtte, opbakning, sikkerhedskopi
adj. - støtte-, sikkerhedskopierings-

idioms:

• backup copy    sikkerhedskopi

Nederlands (Dutch)
steun, reserve, file, kopie (van data)

Français (French)
n. - appui, soutien de qn, réserves (npl), remplaçants (éventuels) (npl), (Comput) sauvegarde
adj. - supplémentaire, de réserve, remplaçant, (Comput) de sauvegarde

idioms:

• backup copy    (Comput) copie de sauvegarde

Deutsch (German)
n. - Unterstützung, Stau
adj. - Reserve-, Sicherungs-

idioms:

• backup copy    Backupkopie

Ελληνική (Greek)
n. - υποστήριξη, εφεδρεία, (Η/Υ) αντίγραφο ασφαλείας
attrib. - εφεδρικός

idioms:

• backup copy    εφεδρικό αντίγραφο, αντίγραφο ασφαλείας

Italiano (Italian)
riserva, copia, rinforzo

Português (Portuguese)
n. - apoio (m), congestionamento (m), cópia (f) de segurança (Inf.)

Русский (Russian)
поддержка, замена, создание резервного файла

Español (Spanish)
n. - reserva, apoyo, respaldo
adj. - de reserva, de apoyo, de respaldo

idioms:

• backup copy    copia de seguridad

Svenska (Swedish)
n. - reserv, stöd
attr. - säkerhetskopia

中文（简体）(Chinese (Simplified))
后援, 阻塞, 支援, 备用物, 候补的, 支持性的

idioms:

• backup copy    备份, 储存

中文（繁體）(Chinese (Traditional))
n. - 後援, 阻塞, 支援, 備用物
adj. - 候補的, 支持性的

idioms:

• backup copy    備份, 儲存

한국어 (Korean)
n. - 지원, 정체, 대안
adj. - 지원하는, 정체의, 대안의

日本語 (Japanese)
n. - 裏打ち, 支援, バックアップ, 渋滞, 代案, 支持者
adj. - 支援の, 予備の

العربيه (Arabic)
‏(الاسم) اسناد (صفه) عمل نسخ من الملفات للأحتياط‏

עברית (Hebrew)
n. - ‮גיבוי, תחליף, רזרבה‬
adj. - ‮גיבוי, תחליף, רזרבה, מועתק כדי לשמש עותק נוסף בעת הצורך‬

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Tape Backup	Backup Software
Backup Generator	Veritas Backup