slide projector
nounUK /ˈslaɪd prəˌdʒektə/
US /ˈslaɪd prəˌdʒektər/
A machine that shows pictures on a wall.
Grandpa used a slide projector to show us photos from his trip.
RELATED WORDS
OTHER MEANINGS
2. A device for projecting photographic transparencies onto a screen for an audience.
The lecture hall was equipped with a slide projector for the presentation.
3. An older classroom tool used by teachers to display diagrams and notes.
Before smartboards, teachers relied on a slide projector to show maps.
4. A nostalgic symbol of family photo nights and home entertainment.
The attic still holds the old slide projector from family gatherings.