| Apple Computer | Apple Computer |
| Apple Filing Protocol | AppleTalk Filing Protocol |
| Apple Macintosh | Apple Macintosh |
| Apple Newton | Newton |
| apple tree | æbletræ |
| apple-tree | æbletræ |
| Application server | Applikationsserver |
| applied ecology | anvendt økologi |
| Applied mathematics | Anvendt matematik |
| applied nutrition | anvendt ernæring |
| applied research | anvendt forskning |
| applied science | anvendt videnskab |
| Applied scientist | Ingeniør |
| Apportation | Deplacement |
| appraisal | vurdering |
| appraise | vurdere |
| appreciate | synes om |
| apprentice | lærling |
| approach | strategi |
| Approach conception | Optik |
| Approach sb about | Adressere |
| approbation | godkendelse |
| appropriate technology | passende teknologi |
| approval | godkendelse |
| approval of installations | godkendelse af installationer |
| Approximate to | Bringe nærmere |
| approximately | omtrent |
| apricot | abrikos |
| Apricot-tree | Abrikos |
| April | april |
| April fool | April |
| April fool hoax | Aprilsnar |
| April Fools' Day | Aprilsnar |
| April Margera | April Margera |
| April-fool-day | Aprilsnar |
| apron | forklæde |
| Apropos of | I anledning af |
| Apse | Apsis |
| Apterygidae | Kiwier |
| Apteryx australis | Brun kiwi |
| Apu Nahasapeemapetilon | Apu Nahasapeemapetilon |
| Apuleius | Apulejus fra Madaura |
| Apulia | Apulien |
| Apure | Apure |
| Apus | Paradisfuglen |
| Aqaba | Akaba |
| Aqua regia | Kongevand |
| Aqua regial | Kongevand |
| Aqua-lung | SCUBA |
| aquaculture | akvakultur |
| Aquaman | Vandmanden |
| aquamarine | akvamarin |
| aquarium | akvarium |
| Aquarius | Vandmanden |
| Aquarius Dwarf | Vandmanden |
| Aquathlon | Aquatlon |
| aquatic animal | vanddyr |
| aquatic ecology | hydroøkologi |
| aquatic ecosystem | akvatisk økosystem |
| aquatic environment | vandmiljø |
| aquatic mammal | havpattedyr |
| aquatic organism | vandorganisme |
| aquatic plant | vandplante |
| aqueduct | akvædukt |
| Aquidneck Island | Rhode Island |
| aquifer | akvifer |
| Aquifoliales | Kristtorn-ordenen |
| Aquila | Ørnen |
| Aquileia | Aquileia |
| Aquitaine | Aquitaine |
| Aquitania | Aquitaine |
| AR | Ar |
| Ar Riyad Province | Riyadh |
| Ara | Alteret |
| Arab | Araber |
| Arab Empire | Islams historie |
| Arab League | Den Arabiske Liga |
| Arab Republic of Egypt | Egypten |
| Arab-Israeli conflict | Seksdageskrigen |
| Arabia | Arabiske Halvø |
| Arabia Petraea | Arabia Petraea |
| Arabian | Arabisk |
| Arabian horse | Fuldblodsaraber |
| Arabian man | Araber |
| Arabian Peninsula | Arabiske Halvø |
| Arabian Sea | Arabiske Hav |
| Arabian woman | Araber |
| Arabic | arabisk |
| Arabic alphabet | Arabiske alfabet |
| Arabic language | Arabisk |
| Arabic numeral systems | Arabiske talsystem |
| Arabic numerals | Arabiske talsystem |
| Arabis | Kalkkarse |
