Definition of Pennsylvanian Period in English :
Define Pennsylvanian Period in English
Pennsylvanian Period meaning in English
Meaning of Pennsylvanian Period in English
Pronunciation of Pennsylvanian Period in English
Pennsylvanian Period pronunciation in English
Pronounce Pennsylvanian Period in English
Pennsylvanian Period
see synonyms of pennsylvanian periodNoun
1. pennsylvanian, pennsylvanian period, upper carboniferous, upper carboniferous period
from 310 million to 280 million years ago; warm climate; swampy land
WordNet Lexical Database for English. Princeton University. 2010.