noun
- an early type of photograph made on glass using a wet plate process, popular in the 1850s and 1860s
Usage: historical; photography
Examples
- The museum displayed several ambrotypes from the Civil War era.
- An ambrotype was cheaper than a daguerreotype but more fragile.
- The photographer specialized in creating ambrotypes using traditional techniques.
- She inherited her great-grandmother’s ambrotype portrait.
- The ambrotype process required a glass plate coated with collodion.
- Many families treasured their ambrotypes as precious keepsakes.