pennsylvanian period

1. 1.

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

   SynonymsPennsylvanianUpper CarboniferousUpper Carboniferous period

   Broaderperiod

   Part ofCarboniferous

Questions about pennsylvanian period

What does pennsylvanian period mean?

pennsylvanian period means "from 310 million to 280 million years ago; warm climate; swampy land".

What is another word for pennsylvanian period?

Close synonyms include Pennsylvanian, Upper Carboniferous, Upper Carboniferous period. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is pennsylvanian period a common word?

pennsylvanian period is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.