backup

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backup /ˈbækˌʌp/ noun
plural backups
backup
/ˈbækˌʌp/
noun
plural backups
Learner's definition of BACKUP
[count] : a person or thing that can be used to replace or support another person or thing
often used before another noun
[noncount] : help or support provided by additional people or things
[count] US : a situation in which the flow of something (such as traffic) becomes blocked
[noncount] : a musical part that is sung to support the main singer often used before another noun
[count] : a copy of information stored on a computer often used before another noun
also : the act or process of making such a copy
see also back up at 4back
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