Backup

Definition

Backup refers to a copy of data, files, or information kept for recovery in case of loss or failure of the original. It can also mean additional support or reinforcement, such as backup personnel or equipment. As a verb, it describes the action of creating such a copy or providing support.

Parts of Speech

• Noun
• Verb

Pronunciation

American and British English

• IPA Pronunciation: /ˈbækʌp/
• Respelling: BAK-up

The pronunciation of "backup" is the same in both American and British English.

Etymology

The word "backup" originated from the combination of "back" and "up," initially used in the 19th century to mean support or reinforcement. Its modern usage in computing to denote a saved copy of data began in the mid-20th century as data storage technologies developed.

Derivatives

• Backed up (verb)
• Back up (phrasal verb)
• Backup copy (noun)
• Backup plan (noun)
• Backupper (noun, informal)

Synonyms

• Support
• Duplicate
• Standby

Antonyms

• Loss
• Failure
• None

Usage

The term "backup" is widely used in technology and everyday language. In computing, it refers to making copies of files or data to prevent loss in case of hardware failure, corruption, or accidental deletion. Outside of computing, backup can refer to secondary support or assistance, as in having backup personnel or equipment in case of emergencies. Common phrases include "backup plan," meaning an alternative plan, and "data backup," meaning saved data files.

Related Terms

• Restore: The process of returning data from a backup to its original location or function.
• Redundancy: Duplication of critical components or functions, often as a backup measure.
• Archive: A collection of historical documents or files, sometimes used as a form of backup.

Detailed Definitions

Noun

• A copy of data or files kept for recovery purposes: A duplicate of important information maintained to prevent data loss.
  • Example: "He created a backup of his important files on an external drive."
• Additional support or reinforcement: Describes personnel, equipment, or systems available to assist or replace primary resources if needed.
  • Example: "The team called for backup when the situation escalated."

Verb

• To create a copy of data or files: The act of duplicating digital information for safety and future restoration if needed.
  • Example: "Make sure to backup your data regularly."
• To provide support or reinforcement: Refers to the act of offering additional assistance or resources.
  • Example: "She asked her colleague to back up her during the meeting."