- 1沉積物；沉澱物（沉在液體或水底的泥沙、顆粒；茶渣、酒瓶底那些也可以這樣叫）
Sediment is the solid stuff that slowly falls and sits at the bottom of a liquid. Leave muddy water still, and the dirt sinks; that pile is sediment. The same thing happens in a river, a lake, or the sea: tiny bits of sand, rock, and earth sink and build up. Scientists also use the word for those layers of earth that formed this way over a very long time. You will hear it in science class, and in ordinary talk about wine, coffee, or tea — the bits that settle in the bottle or the cup. There is a verb too, mostly in labs: to sediment means to settle like this, or to make something settle. The picture is simple and physical: the heavy bits sit down, and the liquid above gets clearer.
From the word’s history
From Middle French sédiment, from Latin sedimentum, from sedeō.
經中古法文來自拉丁文 sedimentum，源自 sedeō。
組成From Middle French sédiment, from Latin sedimentum, from sedeō, “to sit” — the bits that sit down at the bottom.
同家族的字
- sedentaryboth from Latin sedeō, to sit — sediment is what sits down at the bottom
- sedimentarythe adjective from sediment
- sedimentationthe process-noun from sediment
原始詞典資料3 筆記錄
以下是外部詞典記錄的用法，摘錄並精簡格式，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
sedimentnoun/ˈsɛd.ɪ.mənt/
- 1
A collection of small particles, particularly dirt, that precipitates from a river or other body of water.
- The Nile delta is composed of sediment that was washed down and deposited at the mouth of the river.
sedimentverb/ˈsɛd.ɪ.mənt/
- 1
To deposit material as a sediment.
- 2
To be deposited as a sediment.
摘錄自 英文維基詞典 English Wiktionary，已精簡格式；依 CC BY-SA 4.0 授權使用，改動後的內容同樣以此授權提供。