(Geol.) A bed of earth or rock of one kind, formed by natural causes, and consisting usually of a series of layers, which form a rock as it lies between beds of other kinds. Also used figuratively.
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"Stratum" Quotes from Famous Books ![]() ![]() — Discourses - Biological and Geological Essays • Thomas H. Huxley ![]() ![]() — Wild Life on the Rockies • Enos A. Mills ![]() ![]() — The Essentials of Spirituality • Felix Adler ![]() ![]() — The Journals of Lewis and Clark • Meriwether Lewis et al ![]() ![]() — France and England in North America, a Series of Historical Narratives, Part Third • Francis Parkman |
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