Devonian Period

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• Devonian Period — Interval of geologic time from 417 to 354 million years ago; it was the fourth period of the Paleozoic Era. During the Devonian, a giant continent was situated in the Southern Hemisphere (see Gondwana), and other landmasses were located in the… …   Universalium

• Devonian period — noun from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites • Syn: ↑Devonian, ↑Age of Fishes • Instance Hypernyms: ↑period, ↑geological period • Part Holonyms: ↑Paleozoic, ↑ …   Useful english dictionary

• Devonian — [di vō′nē ən] adj. 1. of Devon, England 2. [sometimes d ] designating or of the fourth geologic period of the Paleozoic Era, characterized by the development of the first ferns, mosses, gymnosperms, sharks, bony fishes, amphibians, and wingless… …   English World dictionary

• Devonian — For the Celtic language, see Southwestern Brythonic language; for the residents of the English county, see Devon. Devonian Period 416–359.2 million years ago …   Wikipedia

• period — /pear ee euhd/, n. 1. a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social… …   Universalium

• Devonian — /deuh voh nee euhn/, adj. 1. Geol. noting or pertaining to a period of the Paleozoic Era, 405 to 345 million years ago, characterized by the dominance of fishes and the advent of amphibians and ammonites. See table under geologic time. 2. of or… …   Universalium

• Devonian — 1. adjective a) of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 415 to 360 million years ago b) Of or pertaining to the English region of Devon. 2. noun …   Wiktionary

• Devonian — De•vo•ni•an [[t]dəˈvoʊ ni ən[/t]] adj. 1) gel 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… …   From formal English to slang

• Devonian — /dəˈvoʊniən / (say duh vohneeuhn) adjective 1. relating to a geological period or a system of rocks following the Silurian and preceding the Carboniferous. –noun 2. the Devonian period or system …  

• Devonian — De*vo ni*an, a. (Geol.) Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system. [1913 Webster] {Devonian age} (Geol.), the age next older than the Carboniferous and later than the Silurian; called also the… …   The Collaborative International Dictionary of English

• Devonian age — Devonian De*vo ni*an, a. (Geol.) Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system. [1913 Webster] {Devonian age} (Geol.), the age next older than the Carboniferous and later than the Silurian; called… …   The Collaborative International Dictionary of English