Blackboard (hēi bǎn) is a noun referring to a large, dark, smooth surface—traditionally made of slate or modern materials like melamine or porcelain—used in classrooms and offices for writing with chalk or dry-erase markers. The word combines two characters: 黑 (hēi), meaning 'black' or 'dark', and 板 (bǎn), meaning 'board' or 'plank'. Though many modern boards are green or white, the term 黑板 remains standard in Chinese due to historical usage when actual black slate boards were universal.

This word appears frequently in educational contexts, such as schools, training sessions, or tutoring. It’s often paired with verbs like 写 (to write), 擦 (to erase), or 挂 (to hang), and commonly appears in phrases like 黑板上 (on the blackboard) or 黑板擦 (blackboard eraser). Unlike English, where 'whiteboard' is a distinct term, Chinese uses 黑板 even for non-black surfaces unless specifying 白板 (bái bǎn) explicitly.