| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Photoelectric photometry | A photometry in which the magnitudes are obtained using a photoelectric photometer. | Ryan McGranaghan | 2023.04.16 |
| Photoelectron spectroscopy | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Photo-engraving | No definition provided | Christopher Rauch | 2023.12.01 |
| Photo-engraving--Half-tone process | No definition provided | Christopher Rauch | 2023.12.01 |
| Photogal cartography | No definition provided | Christopher Rauch | 2023.12.01 |
| Photo-galvanography | No definition provided | Christopher Rauch | 2023.12.01 |
| Photogalvanography | No definition provided | Christopher Rauch | 2023.12.01 |
| Photoglyptie | No definition provided | Christopher Rauch | 2023.12.01 |
| Photogrammetry | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Photogrammetry | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Photograph | An image (positive or negative) registered ona piece of photo-sensitive paper | Ryan McGranaghan | 2023.04.16 |
| Photographic amusements | No definition provided | Christopher Rauch | 2023.12.01 |
| Photographic apparatus and supplies | No definition provided | Christopher Rauch | 2023.12.01 |
| Photographic astrometry | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Photographic chemistry | No definition provided | Christopher Rauch | 2023.12.01 |
| Photographic lenses | No definition provided | Christopher Rauch | 2023.12.01 |
| Photographic magnitude | The apparent magnitude of a star as determined by measuring its brightness on a photographic plate. The photographic magnitude scale is now considered obsolete. | Ryan McGranaghan | 2023.04.16 |
| Photographic measurements of stars | No definition provided | Christopher Rauch | 2023.12.01 |
| Photographic optics | No definition provided | Christopher Rauch | 2023.12.01 |
| Photographic photometry | No definition provided | Ryan McGranaghan | 2023.04.16 |