As nouns the difference between alluvium and alluvion
is that alluvium is soil, clay, silt or gravel deposited by flowing water, as it slows, in a river bed, delta, estuary or flood plain while alluvion is the increase in the area of land due to the deposition of sediment (alluvium) by a river.
alluvium
English
Noun
(
wikipedia alluvium)
(
en-noun)
soil, clay, silt or gravel deposited by flowing water, as it slows, in a river bed, delta, estuary or flood plain
alluvion
English
Noun
(legal) The increase in the area of land due to the deposition of sediment (alluvium) by a river.
See also
* accession
----