(はいきぶつ)

はいきぶつ
noun
waste; refuse; garbage
1. waste; refuse; garbage
Materials that are discarded as no longer useful or wanted, especially in industrial or environmental contexts.
The disposal of industrial waste is a problem.
We promote recycling to reduce waste.
They are looking for a storage location for nuclear waste.

廃棄物(はいきぶつ) is a formal/technical term for waste, commonly used in official and environmental contexts.

WORD FORMATION:
廃棄(はいき) (disposal, scrapping) + (ぶつ) (thing) = 廃棄物(はいきぶつ)

TYPES OF WASTE:

COMMON COLLOCATIONS:

廃棄物(はいきぶつ) VS ゴミ:
廃棄物(はいきぶつ) is the formal/legal term, while ゴミ is the everyday word for garbage/trash.