| adenomyosis | adénomyose |
| Adenosine deaminase deficiency | Déficit immunitaire combiné sévère par déficit en adénosine désaminase |
| Adenosine diphosphate | Adénosine diphosphate |
| adenosine triphosphate | Adénosine triphosphate |
| adenoviral | adénoviral |
| Adenoviridae | Adenoviridae |
| adenovirus | adénovirus |
| Adenylate cyclase | Adénylate cyclase |
| Adeodatus | Adéodat |
| Adephaga | Adephaga |
| adept | expert |
| Adept in | Versé en |
| Adept Manager | Adept |
| Adeptus Arbites | Adeptus Arbites |
| Adeptus Mechanicus | Adeptus Mechanicus |
| adequacy | adéquation |
| adequate | adéquat |
| adequate food supply | approvisionnement alimentaire approprié |
| adequately | comme il faut |
| Ader Éole | Éole |
| adessive case | adessif |
| Adeste Fideles | Adeste Fideles |
| Adewale Akinnuoye-Agbaje | Adewale Akinnuoye-Agbaje |
| ADFGVX cipher | Chiffre ADFGVX |
| adhan | adhan |
| Adhemar da Silva | Adhemar da Silva |
| Adhemar of Le Puy | Adhémar de Monteil |
| Adherbal | Adherbal |
| adhere | adhérer |
| adherence | adhésion |
| adherent | collant |
| adhering | collant |
| adhesin | adhésine |
| adhesion | adhésion |
| adhesive | adhésif |
| adhesive tape | scotch |
| Adhémar Jean Claude Barré de Saint-Venant | Barré de Saint-Venant |
| Adi | Adi |
| Adi Shamir | Adi Shamir |
| Adi Shankara | Adi Shankara |
| adiabatic | adiabatique |
| Adiabatic process | Adiabaticité |
| Adiabene | Adiabène |
| Adib Domingos Jatene | Adib Domingos Jatene |
| adicity | arité |
| Adidas | Adidas |
| Adidas Teamgeist | Teamgeist |
| adieu | adieu |
| Adige | Adige |
| Adil Abdul-Mahdi | Abdel Abdel-Mehdi |
| Adil Shahi | Bîjâpur |
| Adinfer | Adinfer |
| adipose | adipeux |
