Search Result for "missippian_period":
Wordnet 3.0

NOUN (1)

1. from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects;
[syn: Mississippian, Missippian period, Lower Carboniferous, Lower Carboniferous period]


The Collaborative International Dictionary of English v.0.48:

Mississippian \Mississippian\ prop. n. 1. A geological period extending from from 310 million to 345 million years ago; it was associated with an increase of land areas, the presence of primitive ammonites, and emergence of winged insects; called also Missippian period and Lower Carboniferous period. Syn: Missippian period, Lower Carboniferous, Lower Carboniferous period. [WordNet 1.5] 2. A resident of Mississippi. [WordNet 1.5]
WordNet (r) 3.0 (2006):

Missippian period n 1: from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects [syn: Mississippian, Missippian period, Lower Carboniferous, Lower Carboniferous period]