Hu-rō'ni-an, a.
a. [Named from Lake Huron.] (Geol.) Of, or pertaining to, certain non-fossiliferous rocks on the borders of Lake Huron, which are supposed to correspond in time to the latter part of the azoic age. Dana.
a. [Named from Lake Huron.] (Geol.) Of, or pertaining to, certain non-fossiliferous rocks on the borders of Lake Huron, which are supposed to correspond in time to the latter part of the azoic age. Dana.