Webster
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Webster’s Revised Unabridged Dictionary · 1913

Diluvial

Di·lu′vi·al (dĭ·lū′vĭ·al), a. [L. diluvialis. fr. diluvium.] 1. Of or pertaining to a flood or deluge, esp. to the great deluge in the days of Noah; diluvian.

2. (Geol.) Effected or produced by a flood or deluge of water; — said of coarse and imperfectly stratified deposits along ancient or existing water courses. Similar unstratified deposits were formed by the agency of ice. The time of deposition has been called the Diluvian epoch.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty. Of the others, 1,362 (a word or a single letter each) were inferred by AI from the context by the dictionary’s own rules and are marked with a wavy underline (tap or point at one to see the note); the rest, which could not be inferred with confidence, are left as “?”.