a solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g. iron, gold, silver, and aluminium, and alloys such as steel)

an adjustable pole made of metal

being a metal, aluminium readily conducts heat

broken stone for use in making roads

the work also involves dealing with rock aggregates for potential use as suitable road metal

molten glass before it is blown or cast

heavy metal or similar rock music

industrial music is a blend of metal and techno

crunching power-trio metal

make or mend (a road) with road metal

several miles of the old road had been metalled with crushed stone