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devonian

 

Definitions from WordNet

Noun devonian has 1 sense
  1. Devonian, Devonian period, Age of Fishes - from 405 million to 345 million years ago; dominance of fishes and appearance of amphibians and ammonites
    --1 is a kind of period, geological period
    --1 is a part of Paleozoic, Paleozoic era

Definitions from the Web

Devonian

Part of speech: Adjective, Noun

Definition:

Adjective: Relating to or characteristic of the Devonian period, an era in Earth's geological history that occurred approximately 419 million to 358 million years ago.

Noun: The Devonian period.

Sense 1:

Adjective: Pertaining to or resembling the geological and biological characteristics of the Devonian period.

Example sentence: The fossils of ancient fish found in this sedimentary rock are of Devonian origin.

Sense 2:

Noun: The Devonian period, part of the Paleozoic era, known for the diversification of early terrestrial life.

Example sentence: The Devonian was marked by unique plant and animal species that evolved before the age of dinosaurs.

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