noun
non-combustible waste; incombustible item
Commonly used in waste-sorting contexts to refer to trash that cannot be burned, such as metal, glass, and ceramics. Often contrasted with 可燃物 (combustible waste).
不燃物は指定の袋に入れて出してください。
Please put non-combustible waste in the designated bag for collection.
この地域では、不燃
In this area, non-combustible waste is collected once a month.