| Term | Definition | Contributor | Modified |
|---|---|---|---|
| AR_McIntoshCls | Active Region McIntosh class | Ryan McGranaghan | 2023.04.16 |
| Armenian language | No definition provided | Christopher Rauch | 2023.12.01 |
| Armenian language--Bibl | No definition provided | Christopher Rauch | 2023.12.01 |
| Armenian literature | No definition provided | Christopher Rauch | 2023.12.01 |
| Armenian literature--Bibl | No definition provided | Christopher Rauch | 2023.12.01 |
| Armenian manuscripts | No definition provided | Christopher Rauch | 2023.12.01 |
| Armenian question | No definition provided | Christopher Rauch | 2023.12.01 |
| Armenite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Arm--Fracture | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies: Armored vessels | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies, Colonial | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies--Commissariat | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies, Cost of | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies--Equipment | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies--Manoeuvers | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies--Medical service | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies--Organization and equipment | No definition provided | Christopher Rauch | 2023.12.01 |
| Armies--Staffs | No definition provided | Christopher Rauch | 2023.12.01 |
| Armillary spheres | An ancient instrument, used since ancient times until the Middle ages and later, to determine positions of celestial bodies. It consisted of an assemblage of rings, all circles of the same sphere, des igned to represent the positions of the important circles of the celestial sphere. | Ryan McGranaghan | 2023.04.16 |