Bible Dictionaries
Medina Epoch

Webster's Dictionary

A subdivision of the Niagara period in the American upper Silurian, characterized by the formations known as the Oneida conglomerate, and the Medina sandstone. See the Chart of Geology.

Bibliography Information
Webster, Noah. Entry for 'Medina Epoch'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​m/medina-epoch.html. 1828.