slideviewer
nounUK /ˈslaɪdˌvjuːə/
US /ˈslaɪdˌvjuːər/
A slide viewer is a small box you look into to see pictures on slides.
Grandpa showed us old vacation photos using a slide viewer.
RELATED WORDS
OTHER MEANINGS
2. A software tool for viewing presentation slides.
The app includes a slide viewer for checking your deck on a phone.
3. A device that holds and lights a single slide for close viewing.
She clicked the slide viewer to examine the tiny insect photo.
4. A person who views slides, especially in a lab or classroom.
The slide viewer noted the cell structure carefully.