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Definition of Pennsylvanian
1. Noun. From 310 million to 280 million years ago; warm climate; swampy land.
Exact synonyms: Pennsylvanian Period, Upper Carboniferous, Upper Carboniferous Period
Group relationships: Carboniferous, Carboniferous Period
Generic synonyms: Geological Period, Period
Group relationships: Carboniferous, Carboniferous Period
Generic synonyms: Geological Period, Period
2. Noun. A native or resident of Pennsylvania.
Definition of Pennsylvanian
1. Noun. An inhabitant or a resident of the state of Pennsylvania. ¹
2. Noun. (geology) Any of the three Pennsylvanian epochs. ¹
3. Adjective. (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. ¹
4. Adjective. Of, or pertaining to the state of Pennsylvania. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Pennsylvanian
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