What does Devonian mean?

Definitions for Devonian
dəˈvoʊ ni ənDe·vo·ni·an

Here are all the possible meanings and translations of the word Devonian.

Princeton's WordNet

  1. Devonian, Devonian period, Age of Fishesnoun

    from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites

Wiktionary

  1. Devoniannoun

    A native or inhabitant of the English region of Devon.

  2. Devonianadjective

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

  3. Devonianadjective

    Of or pertaining to the English region of Devon.

  4. Devoniannoun

    the Devonian period

Webster Dictionary

  1. Devonianadjective

    of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system

  2. Devoniannoun

    the Devonian age or formation

Freebase

  1. Devonian

    The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 419.2 ± 3.2 Mya, to the beginning of the Carboniferous Period, about 358.9 ± 0.4. It is named after Devon, England, where rocks from this period were first studied. The Devonian period experienced the first significant adaptive radiation of terrestrial life. Since large vertebrate terrestrial herbivores had not yet appeared, free-sporing vascular plants began to spread across dry land, forming extensive forests which covered the continents. By the middle of the Devonian, several groups of plants had evolved leaves and true roots, and by the end of the period the first seed-bearing plants appeared. Various terrestrial arthropods also became well-established. Fish reached substantial diversity during this time, leading the Devonian to often be dubbed the "Age of Fish". The first ray-finned and lobe-finned bony fish appeared, while the placoderms began dominating almost every known aquatic environment. The ancestors of all tetrapods began adapting to walking on land, their strong pectoral and pelvic fins gradually evolved into legs. In the oceans, primitive sharks became more numerous than in the Silurian and the late Ordovician. The first ammonite mollusks appeared. Trilobites, the mollusk-like brachiopods and the great coral reefs, were still common. The Late Devonian extinction severely affected marine life, killing off all placoderms, and all trilobites, save for a few species of the order Proetida.

Chambers 20th Century Dictionary

  1. Devonian

    de-vō′ni-an, adj. belonging to Devonshire: belonging to a system of geological strata which abound in Devonshire, closely corresponding to Old Red Sandstone.

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Numerology

  1. Chaldean Numerology

    The numerical value of Devonian in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of Devonian in Pythagorean Numerology is: 3

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