Whiteboard (noun)

A smooth surface, typically made of porcelain or a similar material, used for writing or drawing on with dry-erase markers.

Origin:

1970s: white + board.

Examples:

1. The teacher wrote the lesson on the whiteboard for the class to see.
2. The meeting room had a whiteboard for attendees to use for brainstorming and note-taking.
3. The whiteboard was used for presentations and lectures in the classroom.
4. The whiteboard was erasable and reusable, making it a versatile tool for teaching and communication.
5. The whiteboard was a popular tool in classrooms, offices, and conference rooms.