1. Sheet of slate; for writing with chalk
   - chalkboard [N. Amer]

Derived forms: blackboards

Type of: flat solid, sheet

Encyclopedia: Blackboard

• superhigh frequency
• superhighway
• superhuman
• superimpose
• superimposed
• superimposition
• superincumbent
• superinduce
• superinfect
• superinfection
• superintend
• superintendence
• superintendency
• superintendent
• superior
• superior alveolar artery
• superior cerebellar artery
• superior cerebral vein
• superior colliculus
• superior conjunction
• superior court
• superior epigastric veins
• superior general
• superior labial artery
• superior labial vein