- a coarse surficial deposit formerly attributed to a general deluge but now regarded as glacial drift.
Origin of diluvium
1810–20; < Latin dīluvium flood; see deluge
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- geology a former name for glacial driftSee drift (def. 12)
C19: from Latin: flood, from dīluere to wash away; see dilute
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