1. Mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil
   - lead[2]

Derived forms: pencil leads

Type of: black lead, graphite, plumbago

Part of: lead pencil

Encyclopedia: Pencil lead

• Geoglossum
• geographer
• geographic
• geographic area
• geographic expedition
• geographic point
• geographic region
• geographical
• geographical area
• geographical mile
• geographical point
• geographical region
• geographical zone
• geographically
• geographics
• geography
• geoid
• geologic
• geologic process
• geologic time
• geological
• geological dating
• geological era
• geological fault
• geological formation