pennsylvanian | |
pennsylvanians |
pennsylvanian | (n) from 310 million to 280 million years ago; warm climate; swampy land, Syn. Pennsylvanian period, Upper Carboniferous period, Upper Carboniferous |
pennsylvanian | (n) a native or resident of Pennsylvania, Syn. Keystone Stater |
Pennsylvanian | prop. n. The geological period from 280 million to 310 million years ago; -- it was characterized by a warm climate and abundance of swampy land. |