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Devonian

De·vo·ni·an

Devonian

 
pronunciation:
dih vo ni n
parts of speech:
adjective, noun
part of speech: adjective
definition: of, relating to, or designating the geological period between the Silurian and the Carboniferous of the Paleozoic Era, from approximately 400 million to 350 million years ago, when large trees and amphibians appeared and fish were in great abundance.
 
part of speech: noun
definition: the Devonian Period, or the rock formations that date from that time.