noun
attached matter; deposit; accretion
Refers to any substance or material that has adhered to a surface, often unwanted or foreign. Used in technical, scientific, and everyday contexts.
パイプ内の付着物を取り除く必要がある。
We need to remove the deposits inside the pipe.
歯の表面に付着物がたまると虫歯の原
When matter accumulates on the tooth surface, it can cause cavities.