- 4
- 4-wheel steering vehicle (en)
- 4WS vehicle (en)
- a
- A2C (en)
- abandonware (en)
- ABC method (en)
- ABCP (en)
- ABM (en)
- above the line (en)
- ABS (de)
- ABS (en)
- absolute player (en)
- ACC (en)
- acceptance flight (en)
- access panel (en)
- access prime time (en)
- accidentality (en)
- accidentologist (en)
- accidentology (en)
- account manager (en)
- account-trade marketing (en)
- accountability (en)
- accounting manager (en)
- actient (en)
- action learning (en)
- activation (en)
- active heat insulation (en)
- active lane keeping assist (en)
- active patient (en)
- active suspension system (en)
- active thermo-atmosphere combustion (en)
- activity-based costing (en)
- activity-based management (en)
- adapter (en)
- adaptive cruise control (en)
- adaptive learning (en)
- adaptor (en)
- ADAS (en)
- add-on (en)
- additional tankering (en)
- additive agent (en)
- additive (en)
- address (en)
- administration-to-consumer (en)
- admixture (en)
- adobe (en)
- f
- (financial) leverage (en)
- w
- (Web) bot (en)
- (Web) crawler (en)
- (Web) robot (en)
- (Web) spider (en)