HyperDic: devonian

English > 1 sense of the word Devonian:
NOUNtimeDevonian, Devonian period, Age of Fishesfrom 405 million to 345 million years ago
Devonian > pronunciation
RhymesAachen ... Zukerman: 2572 rhymes with ahn...
English > Devonian: 1 sense > noun 1, time
MeaningFrom 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites.
SynonymsDevonian period, Age of Fishes
Instance ofperiod, geological periodA unit of geological time during which a system of rocks formed
Part ofPaleozoic, Paleozoic eraFrom 544 million to about 230 million years ago

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