ante - asyn
- APSC
- APSE
- APSK
- APSS
- APT
- APU
- AQL
- aquadag
- aquadag coating
- aqueous electrolyte
- aqueous growth
- aqueous paint
- aqueous solution
- aqueous-developing resist
- aqueous-electrolyte fuel cell
- aqueous-solutlon growth
- AR
- Ar laser
- AR model
- ARA
- Arabic figures
- Arabic numerals
- aramid
- aramid reinforcement
- ARAP
- arbiter
- arbitrary access
- arbitrary constant
- arbitrary course computer
- arbitrary distribution
- arbitrary frame
- arbitrary function generator
- arbitrary initialization
- arbitrary scale
- arbitrary sequence of input patterns
- arbitrary unit
- arbitrary waveform generator
- arbitration
- arboricity
- arboricity of graph
