DICT.TW Dictionary Taiwan
18.191.192.109
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: WordNet (r) 2.0

 Pennsylvanian period
      n : from 310 million to 280 million years ago; warm climate;
          swampy land [syn: Pennsylvanian, Upper Carboniferous,
           Upper Carboniferous period]