noun
- a software utility that reorganizes fragmented files on a computer disk to improve performance and access speed
Usage: computing; also called defragmenter
Examples
- Running the defragger once a month helps keep your hard drive running smoothly.
- The defragger reorganized the scattered file fragments into contiguous blocks.
- Modern operating systems include a built-in defragger to optimize disk performance.
- After installing the new defragger, my computer's startup time improved noticeably.
- The defragger can take several hours to complete on a large, heavily fragmented drive.