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Pennsylvanian

PRIMARY MEANINGS OF: Pennsylvanian

1
n
a native or resident of Pennsylvania
2
n
from 310 million to 280 million years ago; warm climate; swampy land
FULL DEFINITIONS OF: Pennsylvanian
1

n a native or resident of Pennsylvania

Synonyms:
Keystone Stater
Type of:
American
a native or inhabitant of the United States
2

n from 310 million to 280 million years ago; warm climate; swampy land

Synonyms:
Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period
Example of:
geological period, period
a unit of geological time during which a system of rocks formed
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