| armário de louças | buffet de cuisine |
| armário embutido | placard |
| Arménia | Arménie |
| arménio | arménien |
| Armênios | Arméniens |
| Armínio | Arminius |
| Armórica | Armorique |
| ARN | A.R.N. |
| ARN mensageiro | Acide ribonucléique messager |
| ARN ribossômico | Acide ribonucléique ribosomique |
| ARN transportador | Acide ribonucléique de transfert |
| ARN-polimerase | ARN polymérase |
| Arnac | Arnac |
| Arnaldo de Brescia | Arnaud de Brescia |
| Arnaldo Forlani | Arnaldo Forlani |
| Arnaldo Janssen | Arnold Janssen |
| Arnaldo Tamayo Méndez | Arnaldo Tamayo Méndez |
| Arnaudville | Arnaudville |
| Arnay-le-Duc | Arnay-le-Duc |
| Arnay-sous-Vitteaux | Arnay-sous-Vitteaux |
| Arne Friedrich | Arne Friedrich |
| Arne Wilhelm Kaurin Tiselius | Arne Tiselius |
| Arnex-sur-Nyon | Arnex-sur-Nyon |
| Arnex-sur-Orbe | Arnex-sur-Orbe |
| Arnhemia | Arnhem |
| arnica | arnica |
| Arnicourt | Arnicourt |
| Arnières-sur-Iton | Arnières-sur-Iton |
| Arno Allan Penzias | Arno Allan Penzias |
| Arno Breker | Arno Breker |
| Arnold | Arnaud |
| Arnold Gehlen | Arnold Gehlen |
| Arnold Koller | Arnold Koller |
| Arnold Rüütel | Arnold Rüütel |
| Arnold Schwarzenegger | Arnold Schwarzenegger |
| Arnold Schönberg | Arnold Schönberg |
| Arnold Sommerfeld | Arnold Sommerfeld |
| Arnold Toynbee | Arnold Joseph Toynbee |
| Arnold Van Gennep | Arnold van Gennep |
| Arnolfo di Cambio | Arnolfo di Cambio |
| Arnor | Arnor |
| Arnos | Arnos |
| Arnsberg | Arnsberg |
| Arnstadt | Arnstadt |
| Arnulfo de Metz | Arnoul de Metz |
| Arnéguy | Arnéguy |
| aro | arum |
| Aroeira | Faux-poivrier |
| Arogno | Arogno |
| aroma | arôme |
| Aromatase | Aromatase |
| Aromaticidade | Hydrocarbure aromatique |
| aromatizantes | arôme |
| aromático | aromatique |
| Aron Kodesh | Arche sainte |
| Arona | Arona |
| Arosa | Arosa |
| Arosio | Arosio |
| Aroue-Ithorots-Olhaïby | Aroue-Ithorots-Olhaïby |
| Around the Sun | Around The Sun |
| Arpachade | Arpakshad |
| Arpad Elo | Arpad Elo |
| Arpajon-sur-Cère | Arpajon-sur-Cère |
| ARPANET | ARPANET |
| arpejo | arpège |
| Arpheuilles | Arpheuilles |
| Arpheuilles-Saint-Priest | Arpheuilles-Saint-Priest |
| Arpoador | Arpoador |
| arpão | harpon |
