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.

Additional resources or duplicate copies of data on different storage media for emergency purposes. See backup types, LAN free backup and back up.

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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