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单词 devonian
释义

Devonian


De·vo·ni·an

D0182600 (dĭ-vō′nē-ən)adj. Of, relating to, or being the period of geologic time from about 416 to 359 million years ago, the fourth period of the Paleozoic Era. The Devonian Period is characterized by the development of lobe-finned fishes, the appearance of amphibians and insects, and the first forests. See Table at geologic time.n. The Devonian Period.
[After Devon, a county of southwest England.]

Devonian

(dəˈvəʊnɪən) adj1. (Geological Science) of, denoting, or formed in the fourth period of the Palaeozoic era, between the Silurian and Carboniferous periods, lasting 60-70 million years during which amphibians first appeared2. (Placename) of or relating to Devonn (Geological Science) the Devonian the Devonian period or rock system

De•vo•ni•an

(dəˈvoʊ ni ən)

adj. 1. noting or pertaining to a period of the Paleozoic Era, 405 million to 345 million years ago, characterized by the dominance of fishes and the advent of amphibians and ammonites. 2. of or pertaining to Devonshire, England. n. 3. the Devonian Period or System. [1605–15; < Medieval Latin Devoni(a) Devon + -an1]

De·vo·ni·an

(dĭ-vō′nē-ən) The fourth period of the Paleozoic Era, from about 408 to 360 million years ago, characterized by the appearance of forests, amphibians, and insects. See Chart at geologic time.
Thesaurus
Noun1.Devonian - from 405 million to 345 million years agoDevonian - from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonitesAge of Fishes, Devonian periodPaleozoic, Paleozoic era - from 544 million to about 230 million years ago
Translations

Devonian


Devonian

Geology of, denoting, or formed in the fourth period of the Palaeozoic era, between the Silurian and Carboniferous periods, lasting 60–70 million years during which amphibians first appeared

Devonian

[di′vō·nē·ən] (geology) The fourth period of the Paleozoic Era, covering the geological time span between about 412 and 354 × 106 years before present.
MedicalSeeDevonian period

Devonian


Related to Devonian: Permian, Devonian period, Carboniferous, Triassic, Silurian
  • noun

Synonyms for Devonian

noun from 405 million to 345 million years ago

Synonyms

  • Age of Fishes
  • Devonian period

Related Words

  • Paleozoic
  • Paleozoic era
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