bulkmaterial
nounUK /bʌlk məˈtɪəriəl/
US /bʌlk məˈtɪriəl/
Bulk material is a lot of stuff kept loose in a big pile, like sand or grain.
The truck dumped a load of bulk material, like gravel, onto the ground.
OTHER MEANINGS
2. Materials handled in large unpackaged amounts, such as coal, ore, or sand.
The port is built to move bulk material like coal and iron ore.
3. Any substance stored or shipped loose rather than in bags or boxes.
Sugar is cheaper when bought as bulk material instead of in small packets.
4. In building, loose substances like gravel, sand, or cement used in large amounts.
The builders ordered bulk material to mix concrete for the foundation.