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diluvium |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Diluvium \Di*lu"vi*um\, n.; pl E. {Diluviums}, L. {Diluvia}. [L. diluvium. See {Dilute}, {Deluge}.] (Geol.) A deposit of superficial loam, sand, gravel, stones, etc., caused by former action of flowing waters, or the melting of glacial ice. Note: The accumulation of matter by the ordinary operation of water is termed alluvium.