1. a soft, dark gray form of carbon used in pencils and as a lubricant

Examples

• The pencil’s graphite core left dark marks on the paper.
• Artists prefer softer graphite for shading techniques.
• Graphite is an excellent conductor of electricity.
• The factory uses graphite as a lubricant in high-temperature machinery.
• Pure graphite has a metallic luster and feels slippery to the touch.
• Graphite and diamond are both forms of carbon with different structures.