Word · Frequency #17810
sedimentation
沉降；沉淀
the process by which solid particles settle out of a liquid, forming a concentrated layer and leaving a clearer liquid above
- 1.
The separation of a suspension of solid particles into a concentrated slurry and a supernatant liquid, either to concentrate the solid or to clarify the liquid.
将固体颗粒悬浮液分离成浓缩浆料和上清液的过程,以浓缩固体或澄清液体。
将固体颗粒悬浮液分离成浓缩浆料和上清液的过程,以浓缩固体或澄清液体。；沉淀；沉积；[化] 沉积作用; 沉降
In use
The process of sedimentation in rivers creates new landforms.
Sedimentation is used in water treatment plants to remove solid particles.
Over millions of years, sedimentation formed layers of rock.
sedimentation + verb
sedimentation 作为主语，后接动词描述沉淀过程。
Sedimentation occurs when particles settle out of a liquid.
当颗粒从液体中沉降出来时，就会发生沉淀。
verb + sedimentation
sedimentation 作为动词的宾语，通常指加速、引起或减少沉淀。
The construction of the dam accelerated sedimentation in the river.
大坝的建设加速了河流中的沉积作用。
noun + of + sedimentation
of sedimentation 作为后置定语修饰名词，如 process, rate, pattern 等。
Connections
Collocations
- sedimentation rate
- 沉淀速率
- The sedimentation rate of the particles was measured in the laboratory.在实验室测量了颗粒的沉淀速率。
- sedimentation process
- 沉淀过程
- The sedimentation process separates solids from liquids in water treatment.在水处理中，沉淀过程将固体与液体分离。
- sedimentation tank
- 沉淀池
- The wastewater flows into a sedimentation tank to remove suspended solids.废水流入沉淀池以去除悬浮固体。
- sedimentation basin
- 沉降池
- A sedimentation basin is used to clarify drinking water.沉降池用于澄清饮用水。
Synonyms
- settling
- 沉降；固体颗粒在液体中因重力下沉 · settling 是最直接的同义替换，侧重重力作用下的物理下沉，适用范围与 sedimentation 几乎相同，但更常用于口语或日常描述。
Learner notes
Memory Tip
拆开看：sediment（沉淀物）+ ation（表过程），想象泥沙沉到水底形成沉积层。
Context & Register
语域：formal 常见场景：环境工程、水处理、地质学 该词是科技或专业语境中的正式用语，通常出现在环境工程、水处理和地质学等学科文献中；日常口语中较少使用。
Pronunciation & Spelling
All six words rhyme with the /eɪʃən/ ending of 'sedimentation' (stressed on the /eɪ/). Be careful with lookalikes such as 'mention' (/ˈmenʃən/), 'question' (/ˈkwestʃən/), or 'sediment' (/ˈsedɪmənt/), which end in a different stressed vowel or final sound.
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.