lightboard
nounUK /ˈlaɪt.bɔːd/
US /ˈlaɪt.bɔːrd/
A lightboard is a clear glass board that glows so you can write on it and people can see your writing.
The teacher drew a big sun on the lightboard so everyone could see it.
RELATED WORDS
OTHER MEANINGS
2. A transparent board lit from the side that lets a presenter write while facing the camera.
She recorded her math lesson using a lightboard so students could watch her solve problems.
3. A panel of lights used as a background or display in a studio or on a stage.
The band played in front of a huge lightboard that flashed different colors.
4. A board with small lights used to show messages or scores.
The lightboard above the door showed the room number in bright red letters.