silt
/silt/
Học thuậtThân thiện
Definition
Noun:
- Fine sediment: Silt is fine-grained soil material, consisting of tiny mineral particles that are larger than clay but smaller than sand. It is often deposited by moving water in rivers, lakes, or deltas.
- Mud or alluvium: Silt can refer to the soft, wet earth or mud formed by this sediment.
Verb:
- To become blocked: To become choked or filled with silt.
- To deposit sediment: To fill or obstruct something by depositing silt.
Usage Examples
Noun:
- The flood left a layer of rich silt on the farmland.
- Engineers analyzed the silt at the bottom of the lake.
Verb:
- Over decades, the old harbor silted up and became unusable.
- The irrigation channel is silting and needs to be dredged.
Advanced Usage
"To silt over": To become covered or filled with silt gradually.
- The ancient ruins silted over and were lost for centuries.
"Silt deposition": The natural process of silt settling out of water.
- Silt deposition is creating new land at the river's mouth.
Variants and Related Words
Silty (adj): Having the characteristics of or containing silt.
- The silty soil is very fertile for crops.
Siltation (n): The process of becoming clogged or filled with silt.
- The dam project caused increased siltation downstream.
Synonyms
- Sediment (n): Matter that settles to the bottom of a liquid.
- Alluvium (n): Clay, silt, sand, or gravel deposited by running water.
- Mud (n): Soft, sticky matter resulting from the mixing of earth and water.
Related Phrasal Verbs
- Silt up: To become obstructed or filled with silt (This is the primary phrasal verb).
- If the canal isn't maintained, it will completely silt up.
Related Idioms
- No common idioms directly use "silt." The word is primarily technical but appears in descriptive phrases about geography and agriculture, such as "silt-laden water" or "silt bed."
Noun
- mud or clay or small rocks deposited by a river or lake
Verb
- become chocked with silt
- The river silted up