| aphid | Blattlaus |
| Aphididae | Röhrenblattläuse |
| aphids | Blattläuse |
| aphilosophical | aphilosophisch |
| aphis | Blattlaus |
| Aphloiaceae | Aphloia theiformis |
| aphonia | Aphonie |
| aphonic | schalltot |
| aphorism | Aphorismus |
| aphorisms | Sentenzen |
| aphorist | Aphoristiker |
| aphoristic | klar |
| aphoristic philosophy | aphoristische Philosophie |
| aphoristically | aphoristisch |
| aphotic | aphotisch |
| aphotic zone | lichtlose Zone |
| Aphra | Afra |
| Aphrahat | Aphrahat |
| aphrodisiac | Aphrodisiakum |
| aphrodisiac agent | Aphrodisiakum |
| aphrodisiac agents | Aphrodisiaka |
| aphrodisiac drug | Aphrodisiakum |
| aphrodisiac drugs | Aphrodisiaka |
| aphrodisiacs | Aphrodisiaka |
| Aphrodisias | Aphrodisias |
| aphrodisiomania | Liebeszwang |
| Aphrodite | Aphrodite |
| Aphrodite Glacier | Aphrodite-Gletscher |
| aphtha | Aphthe |
| aphthae | Aphthen |
| aphthongia | Aphthongie |
| aphthous fever | Maul- und Klauenseuche |
| aphthous stomatitis | Mundfäule |
| Aphthous ulcer | Aphthe |
| aphthovirus | Aphthovirus |
| aphthoviruses | Aphthoviren |
| aphtous fever | Maul- und Klauenseuche |
| Aphyllanthaceae | Binsenlilie |
| aphyroc | nicht porphyrisch |
| api api | Avicennia-Mangrovenbäume |
| API gravity | API-Grad |
| Apia | Apia |
| Apiaceae | Doldenblütler |
| Apiales | Doldenblütlerartige |
| apiarist | Imker |
| apiarists | Bienenzüchter |
| apiary | Bienenhaus |
| apical | apikal |
| apical abscess | Lungenspitzenabszess |
| apical area | Spitzenfeld |
| apical axillary lymph node | apikaler Achsellymphknoten |
| apical axillary lymph nodes | apikale Achsellymphknoten |
| apical cell | Scheitelzelle |
| apical cells | Scheitelzellen |
| apical cementum | Wurzelspitzenzement |
| apical chamber | Protoconch |
| apical cyst | apikale Zyste |
| apical dental ligament | Spitzenband |
| apical dentin | Wurzelspitzendentin |
| Apical dominance | Apikaldominanz |
| apical fenestration | Wurzelspitzenfenestration |
| apical field | Spitzenfeld |
| apical flycatcher | Saumschwanztyrann |
| apical focus | Spitzenherd |
| apical granuloma | Wurzelspitzengranulom |
| apical impulse | Herzspitzenstoss |
| apical infection | apikale Infektion |
| Apical meristem | Meristem |
| apical periodontal cyst | periapikale Zyste |
| apical periodontitis , AP | apikale Parodontitis |
| apical plane | apikalische Oberfläche |
| apical pneumonia | Spitzenlungenentzündung |
| apical pulmonary tuberculosis | Lungenspitzentuberkulose |
| apical root resorption | Wurzelspitzenresorption |
| apical shoot | Terminaltrieb |
| apical tuberculosis | Spitzentuberkulose |
| apical vein | Vena apicalis |
| apicectomy | Apiektomie |
| apices distance | Spannweite |
| Apicius | Marcus Gavius Apicius |
| apicoectomised | wurzelspitzenreseziert |
| apicoectomy | Wurzelspitzenresektion |
| Apicomplexa | Sporentierchen |
| apicoposterior vein | Vena apicoposterior |
| apicotomy | Apikotomie |
| APICS | APICS |
| apiculture | Bienenzucht |
