1. A talk that uses a blackboard and chalk

Derived forms: chalk talks

Type of: talk

• pico-
• picofarad
• Picoides
• picoline
• picometer
• picometre
• picornavirus
• picosecond
• picot
• picotee
• picovolt
• Picrasma
• Picrasma excelsa
• Picrasma excelsum
• picric
• picric acid
• Picris
• Picris echioides
• Pict
• Pictish
• pictograph
• pictographic
• Pictor
• pictorial
• pictorial matter