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alluvion

DEFINITIONS OF: alluvion

1

n gradual formation of new land, by recession of the sea or deposit of sediment

Type of:
geologic process, geological process
(geology) a natural process whereby geological features are modified

n clay or silt or gravel carried by rushing streams and deposited where the stream slows down

Synonyms:
alluvial deposit, alluvial sediment, alluvium
Types:
delta
a low triangular area of alluvial deposits where a river divides before entering a larger body of water
placer
an alluvial deposit that contains particles of some valuable mineral
Type of:
deposit, sediment
matter that has been deposited by some natural process

n the rising of a body of water and its overflowing onto normally dry land

Synonyms:
deluge, flood, inundation
Types:
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debacle
flooding caused by a tumultuous breakup of ice in a river during the spring or summer
flash flood, flashflood
a sudden local flood of great volume and short duration
Noachian deluge, Noah and the Flood, Noah's flood, the Flood
(Biblical) the great deluge that is said in the Book of Genesis to have occurred in the time of Noah; it was brought by God upon the earth because of the wickedness of human beings
floodhead
a wall of water rushing ahead of the flood
Type of:
geological phenomenon
a natural phenomenon involving the structure or composition of the earth
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