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a copy of information held on a computer that is stored separately from the computer: Before we leave work each day, we make a backup of all the records we have entered into the computer that day. The department's backup disks are all stored in a different building. [ C ] US. a player who plays when the person who usually plays is not available:
1. a. : one that serves as a substitute or support. I brought an extra pencil for backup. a backup plan. b. : musical accompaniment. The tunes include banjo and guitar backup. c. : additional personnel who provide assistance. The police officer called for backup. 2. : an accumulation caused by a stoppage in the flow. traffic backup. 3.
a copy of information held on a computer that is stored separately from the computer: Before we leave work each day, we make a backup of all the records we have entered into the computer that day. The department's backup disks are all stored in a different building. [ C ] US. a player who plays when the person who usually plays is not available:
A backup is a person or thing that supports another, as in My role as the backup for the sales team is to take calls when the rest of the team is busy. Backup is a noun form of the verb phrase back up, which means to support or assist.
Backup consists of extra equipment or people that you can get help or support from if necessary. There is no emergency backup immediately available. American English : backup / ˈbækʌp /
a copy or duplicate version, especially of a file, program, or entire computer system, retained for use in the event that the original is in some way rendered unusable. a procedure to follow in such an event. Bowling. a ball that curves in a direction corresponding to the bowling hand of the bowler.
backup. noun. /ˈbækʌp/. /ˈbækʌp/. [uncountable, countable] extra help or support that you can get if necessary. The police had backup from the army. We can use him as a backup if one of the other players drops out. The hospital has a backup power supply.
Backup is what someone gives when they help or support you. A brand new doctor might need some backup in the emergency room for the first few weeks. Use the noun backup when you talk about extra assistance or help. Police officers call for backup when they're not sure they can handle a situation on their own, and store cashiers need backup when ...
BACKUP definition: 1. extra help, support, or equipment that is available if you need it: 2. an extra copy of…. Learn more.
Define backup. backup synonyms, backup pronunciation, backup translation, English dictionary definition of backup. one who supports or reinforces another: I’m his backup; a copy or duplicate version of a file, program, or computer system: I made a backup of the file.
