Search Result for "permian period":
Wordnet 3.0

NOUN (1)

1. from 280 million to 230 million years ago; reptiles;
[syn: Permian, Permian period]



WordNet (r) 3.0 (2006):

Permian period
    n 1: from 280 million to 230 million years ago; reptiles [syn:
         Permian, Permian period]