sediment
🇺🇸
/ˈsedɪmənt/
🇬🇧
/ˈsedɪmənt/
Solid particles that sink to the bottom of a liquid after it has become still.
After the water in the glass became still, the sediment settled at the bottom.
グラスの中の水が静かになった後、沈殿物が底に沈んだ。
Small rocks, sand, or mud that is carried by water or wind and then deposited in a new location.
The river's sediment built up over time, forming a new island.
時間の経過とともに川の堆積物が積もり、新しい島が形成された。