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adjective

alluvial

uh-LOO-vee-ul
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Alluvial (adjective) means relating to soil or sediment deposited by a stream or river. Example: “Farmers prize the alluvial soil along the river for growing crops.”

adjective
1
Relating to soil or sediment deposited by a stream or river.
"Farmers prize the alluvial soil along the river for growing crops."
"The town sits on an alluvial plain built up over many years."
"Silt left by the flood formed a thin alluvial layer across the field."

Examples of alluvial in a sentence →

How to use alluvial

Learner’s notes

In plain EnglishMade of material left behind by a river or stream.

When to use it

It is a technical word used mostly in geology and farming.

Memory tip

Link it to alluvium, the noun for what a river leaves behind.

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Common pairings
alluvial soil alluvial plain alluvial deposit alluvial fan alluvial layer
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Farmers prize the _____ soil along the river for growing crops.

Etymology

The word comes from the Latin alluvius, which came from alluviō, meaning an overflowing or flood. That in turn came from alluō, meaning to wash against.

Origin: Latin

Rhymes for alluvial

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Frequently asked questions

What does alluvial mean?
Alluvial describes soil or sediment that has been deposited by a stream or river.
How do you pronounce alluvial?
It is pronounced uh-LOO-vee-ul, with the stress on LOO.
What is alluvium?
Alluvium is the related noun for material deposited by flowing water, and alluvial is the adjective that describes such deposits.
What is the meaning of alluvial?
"alluvial" (adjective) means relating to soil or sediment deposited by a stream or river.