argyropyrite - automatic lock-out
- ascending wave front
- ascending wavefront
- ascending workings
- ascensional
- ascensional circulation
- ascensional differentiation
- ascensional ventilation
- ascensionist theory
- ascent
- ascentional ventilation
- aschaffite
- ascharite
- aschcroftine
- Ascheulean phase
- aschirite
- aschirite-dioptase
- aschistic
- aschistic dike rocks
- aschistite
- ascidian