noun
- A photographic slide; a transparent positive image on glass or film intended for projection or viewing with light.
Usage: Also called a slide or transparency.; Chiefly used in technical and educational contexts.; Less common in modern usage due to digital photography.
Examples
- The museum curator carefully stored the old diapositives in archival boxes.
- Before digital projectors, teachers relied on diapositives to display images in the classroom.
- The photographer created a series of diapositives for the exhibition.
- Each diapositive was mounted in a cardboard frame for easy handling.
- The collection included hundreds of diapositives documenting the region's history.