noun
Usage: usually capitalized I
Etymology: so called from its quarrying site in southern Indiana
: a usually gray or buff oolitic Mississippian limestone of the lower Carboniferous that is uniform and easily worked and widely used for building
noun
Usage: usually capitalized I
Etymology: so called from its quarrying site in southern Indiana
: a usually gray or buff oolitic Mississippian limestone of the lower Carboniferous that is uniform and easily worked and widely used for building
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012