touch·pad or touch pad 
(tŭchpăd′)
(tŭchpăd′)n.
A pointing device consisting of a soft pad sensitized to finger movement or pressure and used especially on laptop computers as an alternative to a mouse.
- decolonization
- decolonize
- decolorant
- decolorization
- decolorize
- decolorizer
- decommission
- decompensate
- decompensation
- decomposability
- decomposable
- decompose
- decomposer
- decomposition
- decompositional
- decompound
- decompound
- decompress
- decompression
- decompression chamber
- decompression sickness
- deconcentrate
- deconcentration
- decondition
- decongest