| Antriebskonzept | drive concept |
| Antriebsaggregat | prime mover |
| Antriebswelle | driveshaft |
| antriebslos | listless |
| Betriebskosten | operating costs overhead overheads running costs running expenses |
| Antibiont | antibiont |
| Antriebsstrang | powertrain |
| Auftriebskraft | buoyant force |
| betriebsbereit | ready operable |
| Rahmenkonzept | framework |
| Klavierkonzert | piano concert piano concerto |
| Antigone | Antigone |
| Antimongelb | Naples yellow |
| Antriebsmaschine | prime mover |
| antrinken | catch a buzz |
| Antibiose | antibiosis |
| Antienzym | antienzyme |
| Antikörper | antibody antigen-antibody complex antiphospholipid antibodies immune complex |
| Antimonit | antimonite stibnite |
| Antizyklone | anticyclone high high area |