wave - wire
- white copper
- white iron
- white iron pyrite
- white layer
- white lead
- white metal
- white nitride layer
- white pot
- white radiation
- white rust
- white rust corrosion
- white-gold jewelry alloy
- white-heart process
- whiten
- whiteness
- whitening
- Wiber-Soderfors process
- wide flange (steel) I-beam
- wide gate
- wide hearth
- wide multiplet
- wide tolerance
- wide-boiling cut
- wide-field borescope
- wide-flange beam mill
- wide-flanged
- wide-meshed
- wide-mouthed
- wide-strip (rolling) mill
- widening
- widening from cold work
- Widmannstatten pattern
- Widmanstatten ferrite
- Widmanstatten pattern
- Widmanstatten structure
- width of fluted land
- width of groove
- width of land
- width of root face
- width of span