| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Anukramants | No definition provided | Christopher Rauch | 2023.12.01 |
| Anus | No definition provided | Christopher Rauch | 2023.12.01 |
| Anus--Diseases | No definition provided | Christopher Rauch | 2023.12.01 |
| Anus--Surgery | No definition provided | Christopher Rauch | 2023.12.01 |
| anvil cloud | The anvil-shaped cloud that comprises the upper portion of mature cumulonimbus clouds | Ryan McGranaghan | 2023.04.16 |
| Anyolite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Anyuiite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Ao language | No definition provided | Christopher Rauch | 2023.12.01 |
| Aorta | No definition provided | Christopher Rauch | 2023.12.01 |
| Aorta--Diseases | No definition provided | Christopher Rauch | 2023.12.01 |
| Apabhramsa languages | No definition provided | Christopher Rauch | 2023.12.01 |
| Apache Indians | No definition provided | Christopher Rauch | 2023.12.01 |
| Apache Indians--Wars, 1883-1886 | No definition provided | Christopher Rauch | 2023.12.01 |
| Apachite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Apalachee Indians | No definition provided | Christopher Rauch | 2023.12.01 |
| Apalachee language | No definition provided | Christopher Rauch | 2023.12.01 |
| Apartment houses | No definition provided | Christopher Rauch | 2023.12.01 |
| Apartment house service | No definition provided | Christopher Rauch | 2023.12.01 |
| Apastron | The point at which a binary star is furthest from its companion. | Ryan McGranaghan | 2023.04.16 |
| Apatite | No definition provided | Christopher Rauch | 2023.12.01 |