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- Dictionarybackup/ˈbakʌp/
noun
- 1. help or support: "no police backup could be expected"
- 2. a copy of a file or other item of data made in case the original is lost or damaged: "make a backup of any important files"
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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:
The meaning of BACKUP is one that serves as a substitute or support. How to use backup in a sentence.
noun. a person or thing that supports or reinforces another. a musician or singer or group of musicians or singers accompanying a soloist: a singer with a three-man backup that plays cello, bass, and guitar. an overflow or accumulation due to stoppage, malfunctioning, etc.: a sewage backup; a backup of cars at the tollbooth.
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:
Backup consists of extra equipment or people that you can get help or support from if necessary.
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.
BACKUP definition: 1. extra help, support, or equipment that is available if you need it: 2. an extra copy of…. Learn more.
Definition of backup noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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.
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.
