asce - axle
- ascending stroke
- ASD
- ASE
- ASEAN
- ash frame
- ashtray
- ASIA
- Asia Pacific Economic Cooperation
- ASME
- ASME boiler code
- aspect ratio
- aspirated
- aspirated engine
- aspirating psychrometer
- aspiration
- aspirator
- aspirator valve
- Aspire
- ASR
- assemble
- assembly
- assembly line
- assembly line communications link
- assembly line data link
- assembly Line Data Link connector
- assembly lube
- assist power steering
- assist steering
- assisted
- assisted brakes
- assisted steering
- Association of South East Asian Nations
- assy
- astern
- ASTM
- ASTM standards
- Aston Martin
- Aston-Martin
- ASV
- asymmetric
