Search Result for "upper_carboniferous":
Wordnet 3.0

NOUN (1)

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


WordNet (r) 3.0 (2006):

Upper Carboniferous n 1: from 310 million to 280 million years ago; warm climate; swampy land [syn: Pennsylvanian, Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period]