defragment

[ dee-frag-muhnt, -ment ]
/ diˈfræg mənt, -mɛnt /

verb (used with object) Computers.

to reorganize files on (a hard disk drive) so that the parts of each file are stored in contiguous sectors on the disk, thereby improving computer performance and maximizing disk space.

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Also Informal, defrag .

Origin of defragment

First recorded in 1980–85; de- + fragment

OTHER WORDS FROM defragment

de·frag·men·ta·tion, nounde·frag·ment·er, noun

Words nearby defragment

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for defragment

defragment
[ dĭ-frăgmənt ]

To reorganize the way information is stored on a computer disk so that all of the information belonging to a file is stored in a single, contiguous area the disk.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.