diapositive
/ˌdaɪəˈpɑzɪtɪv/
noun
- A positive photographic slide on a transparent base, typically mounted for projection.
- We found a box of old diapositives from my grandparents' trip to Europe in the 1960s.
- The professor used a diapositive to show a detailed map of ancient Rome during the lecture.
- Before digital projectors, teachers often relied on diapositives to display images in class.
Synonyms