A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel). Broken stone for use in making roads. Molten glass before it is blown or cast. Heavy metal or similar rock music. Make out of or coat with metal. Make or mend (a road) with road metal. Metallurgical or metallurgy.