| ATPase | ATPase |
| Atra-Hasis | Atrahasis |
| Atractaspididae | Stilettoslangen |
| ATRAN | ATRAN Cargo Airlines |
| Atrani | Atrani |
| Atrazine | Atrazine |
| Atrebates | Atrebati |
| Atreidae | Atreïden |
| Atreus | Atreus |
| Atrial fibrillation | Boezemfibrilleren |
| Atrial septal defect | Atriumseptumdefect |
| Atriplex | Melde |
| atrium | atrium |
| atrocious | afschuwelijk |
| atrociousness | gruwelijkheid |
| atrocity | gruwel |
| Atrocity story | Gruwelverhaal |
| Atromitos | Atromitos |
| Atropa | Atropa |
| Atropatene | Atropatene |
| Atrophaneura hector | Pachliopta hector |
| atrophied | geatrofiëerd |
| atrophy | atrofie |
| Atropia | Atropine |
| Atropin | Atropine |
| Atropine | Atropine |
| Atropos | Atropos |
| ATS | ATC |
| ATSC Standards | ATSC |
| Atshen | Atshen |
| attach | bevestigen |
| attached | aangrenzend |
| attachement | aanhankelijkheid |
| attachment | verbinding |
| Attachment disorder | Hechtingsstoornistheorie |
| attachments | toebehoren |
| attaché | attaché |
| attaché case | diplomatenkoffertje |
| attack | aanval |
| Attack Force Z | Attack Force Z |
| Attack helicopter | Gevechtshelikopter |
| attack of dizziness | duizeling |
| attack of sneezing | niesbui |
| Attack on Gleiwitz radio station | Operatie Himmler |
| Attack on Pearl Harbor | Aanval op Pearl Harbor |
| attacker | agressor |
| attacking | aanvallend |
| Attacus atlas | Atlasvlinder |
| attain | bereiken |
| attainable | uitvoerbaar |
| attainment | realisatie |
| Attalens | Attalens |
| Attalid dynasty | Attaliden |
| Attalus I | Attalus I van Pergamon |
| Attalus II Philadelphus | Attalus II van Pergamon |
| Attalus III | Attalus III van Pergamon |
| Attapeu Province | Khwaeng Attapeu |
| Attapu | Khwaeng Attapeu |
| Attapu Province | Khwaeng Attapeu |
