Definition of defrag in English:

defrag

verb

Computing
  • short for defragment
    • ‘After every test, all drives were defragged and the system was rebooted.’
    • ‘I have more important chores, like formatting and defragging my floppies.’
    • ‘Look after your hard drive - check the integrity of your hard drive to avoid irregularities in the way your PC stores files and defrag to ensure that files are not saved in fragments.’
    • ‘And of course, I also recommend that you defrag your hard drive after every cleaning.’
    • ‘I spend a good chunk of time trying to track down the problem - running diagnostics, defragging the hard drive, updating drivers, etc.’

Pronunciation:

defrag

/diːˈfraɡ/