sustainable material
nounUK /səˈsteɪ.nə.bəl məˈtɪə.ri.əl/
US /səˈsteɪ.nə.bəl məˈtɪr.i.əl/
A sustainable material is something we use that can be made again and again without hurting the Earth.
Bamboo is a sustainable material because it grows back very quickly after it is cut.
OTHER MEANINGS
2. A material that can be used for a long time without breaking or wearing out.
The sturdy wooden table is a sustainable material choice because it lasts for many years.
3. A material that causes little harm to the environment when it is made, used, or thrown away.
Recycled paper is a sustainable material that reduces the number of trees cut down.
4. A material that can be collected and turned into new products after it is no longer needed.
Glass is a sustainable material because it can be melted and shaped into new bottles again and again.