noun
non-burnable waste; non-combustible rubbish
Refers to waste that cannot be incinerated, such as metal, glass, ceramics, and small appliances. Often contrasted with 可燃ごみ (burnable waste).
不燃ごみは月に一度の収集です。
Non-burnable waste is collected once a month.
割れた茶碗は不燃ごみに出してください。
Please put broken teacups out as non-burnable waste.
Burnable waste (e.g., kitchen scraps, paper). 不燃ごみ is the opposite category.
Recyclable waste (e.g., cans, bottles, newspapers). Some items may be classified as 不燃ごみ in some municipalities.
Compound of 不燃 (non-combustible) + ごみ (waste). The term is a modern administrative coinage used in municipal waste sorting systems.