alluvium
1 synonym for alluvium, grouped by meaning and by how common each one is.
Noun — Sand, mud or small stones left behind by a river as its flow slows, for example in a delta or flood plain.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Comes from Medieval Latin alluvium (“matter deposited by flowing water”), the neuter of alluvius (“deposited by a river”), which itself derives from Latin alluviō (“washing upon, overflowing”). See also al-.
Full origin of alluvium →