proper noun (Pennsylvanians, -)
- An inhabitant or a resident of the state of Pennsylvania.
- (geology) Any of the three Pennsylvanian epochs.
Etymology: Pennsylvani(a) + -ian, (i)an
- (geology) of any of the three geologic epochs (lower, middle and upper) within the Carboniferous period from 318 to 299 million years ago; marked by a high oxygen atmosphere and the rise of reptiles and winged insects.
- of, or pertaining to the state of Pennsylvania.
Supplemental Details:Sponsor an extended definition for Pennsylvanian for as little as $10 per month. Click here to contact us.