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1 To remove or obliterate a record or item of data, such as by overwriting data on disk or tape with new data or null characters.

2 To remove permanently an object, such as a character, word, paragraph, or graphic, from a document, or to remove an entire document file from permanent storage. In either case there is usually a period of grace during which the decision to delete can be rescinded, and after which the action is irreversible.

3 One of the basic actions performed on sets that, when applied in the form


removes the element el from S; if el was not present in S the action has no effect on the membership of S. See also operations on sets.

Subjects: Computing.

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