oval - para
- ovalbumen
- ovalbumin
- ovality
- ovaloid winding
- oven
- oven ageing
- oven coke
- oven cure
- oven drier
- oven drying
- oven test
- oven-dried
- oven-dry weight
- ovendry
- over cure
- over gas tower
- over-resin waters
- over-spray
- over-the-top vapour
- overall coefficient of heat transfer
- overall coefficient of heat transmission
- overall diameter
- overall diffusion coefficient
- overall dimension
- overall efficiency
- overall equation
- overall heat balance
- overall heat transfer rate
- overall height
- overall rate
- overall rate constant
- overall rate of heat transfer
- overall reaction
- overall width
- overall yield
- overbalance
- overbleaching
- overbuffed tire
- overburning
- overburnt
