Webster’s Revised Unabridged Dictionary · 1913
Zechstein
Zech′stein′ (zĕk′stīn′), n. [Gr., fr. zeche a mine + stein a stone.] (Geol.) The upper division of the Permian (Dyas) of Europe. The prevailing rock is a magnesian limestone.
Webster’s Revised Unabridged Dictionary · 1913
Zech′stein′ (zĕk′stīn′), n. [Gr., fr. zeche a mine + stein a stone.] (Geol.) The upper division of the Permian (Dyas) of Europe. The prevailing rock is a magnesian limestone.