alte - annu
- angle of slide
- angle of slip
- angle of slope
- angle of strike
- angle of taper
- angle of torsion
- angle of total reflection
- angle of twist
- angle of ultimate stability
- angle of unconformity
- angle of underlay
- angle of view
- angle of warp
- angle opening
- angle pipe
- angle sheave
- angle stop
- angle tie
- angle trough
- angle unconformity
- angle-mortar test
- angled hole
- angled snubbing hole
- anglesite
- anglesite [lead spar, lead vitriol]
- Anglian glaciation
- angling hole
- Angoi
- Angoumian
- angrite
- Angstrom pyrgeometer
- anguclast
- angular
- angular conglomerate
- angular contact
- angular cross-bedding
- angular data
- angular dependence
- angular difference
- angular dimensions
