wett - zone
- wettability
- wetted dust
- wetting
- wetting activity
- wetting additive
- wetting effect
- wetting liquid
- wetting phase
- wetting reagent
- wheel dredge
- wheel drum
- wheel gauge
- wheel load
- wheel plough
- wheel-mounted
- wheel-mounted mucker
- wheeled tractor
- whim gin
- whipstock grab
- whirling hygrometer
- white current
- white damp
- white iron
- white lime
- white noise
- white-noise level
- wholly filled
- wide-angle reflection
- wide-band filter
- wide-band noise
- wide-band record
- wide-band recorder
- wide-band recording
- wide-mouth socket
- width
- wiggle trace
- wiggle trace log
- wiggle trace mode
- wiggle(-line) display
- wiggle-trace display
