noun
Technical and general term for settled solid matter in liquids, such as in water treatment, geology, or industrial contexts.
この川の底にはセジメントが厚く堆積している。
A thick layer of sediment has accumulated on the bottom of this river.
浄水場ではセジメントを取り除く処理が行われる。
At the water purification plant, a process to remove sediment is carried out.