noun
scrap wood; waste wood
Specifically refers to discarded or leftover wood from construction, manufacturing, or demolition.
工事現場から出た廃材をリサイクルする。
We recycle scrap wood from the construction site.
noun
waste material; scrap material
Broader sense: any discarded or leftover material, not limited to wood. Often used in industrial or environmental contexts.
プラスチック廃材の処理が問題になっている。
The disposal of plastic waste material has become a problem.