noun
Refers to using something again, often in contexts like recycling, repurposing, or reusing resources.
この容器は再使用できます。
This container can be reused.
再使用可能なエネルギー源を開発する。
Develop reusable energy sources.
リサイクル is a broader term for recycling, often involving industrial processes, whereas 再使用 is more about direct reuse.
Compound of 再 (re-, again) and 使用 (use). The reading さいしよう is the standard on'yomi combination.