- disconnector switch
- discontiguous
- discontinued
- discontinuity
- discontinuous
- discontinuous motion
- discordance
- discordant
- discount
- Discount rate
- discourage
- discourteous
- discover
- discovery
- discrepancy
- discrete characteristic
- discrete material
- discrete representation
- discrete source
- discriminant
- discskimker
- discursive
- disengage
- disengaging lever
- dish antenna
- disintegration energy
- disk array
- disk controller
- disk directory
- disk feeder
- disk handler
- disk icon
- disk memory
- disk partition
- disk recorder
- disk skimmer
- disk storage
- diskette density
- dislocation plateau
- dismantling
- dismiss
- dismount
- disparity
- dispatch office
- dispatch track
- dispersant spraying
- dispersed
- dispersed water
- dispersing
- dispersion agent
- dispersive power
- displacement method
- displacer
- display adapter
- display background
- display box
- display curtain
- display frame
- display highlighting
- display line
- display order
- display point
- display refreshing
- display register
- display surface
- display terminal
- display unit
- disposal site
- dispose
- disposition
- disrupt
- disrupted fold
- disruption plane
- disruptive force
- disruptive voltage
- dissimilar
- dissipate
- dissipated heat
- dissipation
- dissipation function
- dissipative
- dissociable
- dissolved acetylene
- dissolving
- disspator
- dissymmetric
- distal
- distance control
- distance function
- distance piece
- distance tester
- distancer
- distant control
- distemper
- distension
- distillate
- distillated water
- distillation range
- distilled water
- distillery residue