Defragment
/diːfɹæɡˈmɛnt/
"Defragment" in a Sentence (2 examples)
You need to defragment the drive on a regular basis.
SSDs don't need defragmenting. Windows wont' even let you try to defragment an SSD. However, if you could defragment an SSD, you might shorten the device's lifespan.