dip - door
- direction of translation
- direction of working
- directional banding of inclusions
- directional freezing
- directional lighting fittings
- directional property
- directional sensitivity
- directional solidification
- directionality
- directivity function
- directly fired kiln
- dirt
- dirt chute
- dirt content
- dirt excluder
- dirt pile
- dirt pocket
- dirt trap
- dirthole
- dirty discharge
- dirty steel
- disalignment
- disappearing dogs
- disappearing end bumper
- disappearing filament
- disappearing table
- disappearing-filament optical pyrometer
- disassembly
- disassembly of parts
- disboard
- discard
- discard head
- discard solution
- discard the top of an ingot
- discard transfer
- discard-ejecting means
- discarded metal
- discharge
- discharge basin
- discharge basket