disc - doub
- disc plate
- discard
- discarding
- discards
- discards of sorting
- discharge
- discharge apron
- discharge channel
- discharge connection
- discharge pipe
- discharge piping
- discharge rack
- discharge roll
- discharge shower
- discharge side
- discharge spout
- discharge-spout
- discharger
- discharges
- discharging
- discharging device
- discoloration of paper
- discoloration of splints
- disconnector
- discontinuous method
- discontinuous operation
- discontinuous ring
- discount area
- discrete forest community
- disease resistance
- disease treatedd seeds
- disease-free
- disease-resistant
- diseconomy
- diseconomy of pollution
- disforest
- disforesting
- dish
- dish board
- dish water
