Pennsylvanian

adjective Penn·syl·va·nian \ ˌpen(t)-səl-ˈvā-nyən , -nē-ə-n \

Definition of Pennsylvanian

1 : of or relating to Pennsylvania or its people
2 : of, relating to, or being the period of the Paleozoic era in North America between the Mississippian and Permian or the corresponding system of rocks — see Geologic Time Table

Pennsylvanian

noun

First Known Use of pennsylvanian

1698

in the meaning defined at sense 1

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