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Backup
01
the act of providing assistance or support to someone or something
Examples
The soldier was relieved to see backup arrive just in time.
We had to call for backup when the situation became too dangerous.
02
(computing) a copy of computer data that can be used to restore lost or damaged data
Examples
It 's important to create regular backups of your files to prevent data loss in case of a computer crash.
The system automatically creates daily backups of the database to ensure that no data is lost in the event of a failure.
03
a secondary musical part, vocal or instrumental, that supports or complements the main melody
Examples
The singer was joined by a trio of backup vocalists.
The backup harmonies added depth to the performance.
04
a person who is available to take over or assist if the original person is unable to perform their duties
Examples
The actor could n’t perform, so the backup stepped in for the evening show.
She served as a backup in case the main speaker could n’t make it to the event.
05
a buildup or accumulation resulting from an obstruction or blockage
Examples
The plumbing backup flooded the basement.
A traffic backup stretched for several kilometers.
to backup
[phrase form: back]
01
to create a duplicate copy of data on a computer or digital device for the purpose of preserving it for future access or recovery
Examples
Make sure to back up your documents to an external drive.
He backed up his photos to the cloud before the trip.
