Lexic.us

Definition of Devonian

1. Noun. From 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites.

Definition of Devonian

1. a. Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system.

2. n. The Devonian age or formation.

Definition of Devonian

1. Adjective. (geology) of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 415 to 360 million years ago ¹

2. Adjective. (chiefly dated) Of or pertaining to the English region of Devon. ¹

3. Noun. (chiefly dated) A native or inhabitant of the English region of Devon. ¹

4. Proper noun. (geology) the Devonian period ¹

¹ Source: wiktionary.com

Definition of Devonian

1. of or pertaining to a certain geologic time period [adj]

Medical Definition of Devonian

1. Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system. Devonian age, the age next older than the Carboniferous and later than the Silurian; called also the Age of fishes. The various strata of this age compose the Devonian formation or system, and include the old red sandstone of Great Britain. They contain, besides plants and numerous invertebrates, the bony portions of many large and remarkable fishes of extinct groups. See the Diagram under Geology. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Devonian

Literary usage of Devonian

Below you will find example usage of this term as found in modern and/or classical literature:

1. Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1905)
"The limestone was apparently fissured before the devonian above was deposited. Portions of the devonian sediments fell into an open fissure, carrying with ..."

2. Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1906)
"The limestone was apparently fissured before the devonian above was deposited. Portions of the devonian sediments fell into an open fissure, carrying with ..."

3. Manual of Geology: Treating of the Principles of the Science with Special by James Dwight Dana (1894)
"The devonian was eminently a transition era as regards land vegetation, ... The devonian seas contained, in general, similar Invertebrate forms to those of ..."

4. The New International Encyclopædia edited by Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby (1903)
"The passage from the Silurian into the devonian is so gradual that the ... Between the devonian and Carboniferous there is a somewhat variable relation. ..."

5. An Introduction to Historical Geology: With Special Reference to North America by William John Miller (1916)
"Ix 1839 Sedgwick and Murchison gave the name of devonian to strata in the county of Devonshire in England where rocks of this age were first carefully ..."

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