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

• polytonal
• polytonalism
• polytonality
• polyunsaturated
• polyunsaturated fat
• polyunsaturated fatty acid
• polyurethan
• polyurethane
• polyurethane foam
• polyuria
• polyvalence
• polyvalency
• polyvalent
• polyvinyl acetate
• polyvinyl chloride
• polyvinyl resin
• polyvinyl-formaldehyde
• polyzoa
• polyzoan
• pom
• pom-pom
• Pomacanthus
• pomace
• pomace fly
• Pomacentridae