silt up
Definition
Verb (intransitive): * To become blocked, filled, or choked with silt (fine sand, clay, or other material carried by running water and deposited as a sediment).
Usage
This verb describes a natural or gradual process where a body of water, like a river, harbor, or canal, loses depth and navigability because sediment accumulates on its bottom. It implies a slow filling over time.
Examples
- Without regular dredging, the old canal will eventually silt up.
- The harbor silted up over decades, preventing large ships from entering.
- Environmental changes caused the lake to silt up more rapidly.
Advanced Usage
- The verb is often used in environmental science, geography, and engineering contexts to describe a problematic natural process.
- It can be used in both active and passive constructions (e.g., "The river silted up" / "The river was silted up by sediment from the deforested hills").
Variants and Related Words
- Siltation (noun): The process of becoming silted up.
- The siltation of the estuary is a major concern for fishermen.
- Silt (noun/verb): The fine particulate matter itself. As a verb, it can be transitive (e.g., "The flood silted the fields").
- Clog, choke, fill up: More general synonyms for becoming blocked.
Phrasal Verbs
- Silt up is itself a phrasal verb. There are no distinct additional phrasal verbs for this specific term.
Verb
-
become chocked with silt
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The river silted up
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