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pennsylvanian
Nouns
(n)
from 310 million to 280 million years ago; warm climate; swampy land
Pennsylvanian period
,
Upper Carboniferous
,
Upper Carboniferous period
,
(n)
a native or resident of Pennsylvania
Keystone Stater
,
Synonyms
Pennsylvanian period
Upper Carboniferous
Upper Carboniferous period
Keystone Stater
Words of close approximity
Pennsylvania
Pennsylvanian period