defragmenter
noun
de·frag·ment·er (ˌ)dē-ˈfrag-ˌmen-tər 
-mən-
: software that defragments a computer disk
Word History
First Known Use
1986, in the meaning defined above
- desecrater
- desecraters
- desecrates
- desecrating
- desecration
- desecrations
- desecrator
- desecrators
- deseed
- desegmentation
- desegregate
- desegregated
- desegregates
- desegregating
- desegregation
- desegregationists
- desegregations
- deselect
- deselected
- deselecting
- deselections
- deselects
- desemer
- desensitisation
- desensitisations