sedimentation
noun [ U ] uk/ˌsed.ɪ.menˈteɪ.ʃən/ us/ˌsed.ə.menˈteɪ.ʃən/
geology specialized沉积（作用）
a natural process in which rock is formed from small pieces of sand, stone, etc. that have been left by water, ice, or wind
The process of sedimentation helps to explain the origin of fossils. 沉积作用可以帮助解释化石的起源。
science specialized沉淀，沉积
a process in which small pieces of a solid material fall to the bottom of a liquid and form a layer
These dregs at the bottom of the bottle are formed by a process of sedimentation. 瓶底的渣滓是通过沉淀作用产生的。
See: sediment
- More examples
- But sedimentation and declining water quality threaten to turn it into a stagnant marsh in a matter of decades.
- In the deep sea, the average rate of sedimentation is a centimeter per millennium.
- The group is also concerned that sedimentation from logging activity will be harmful to the water.
- Elevated sedimentation rates indicate the presence of inflammation.