Eozoic

American  

[ee-uh-zoh-ik] / ˌi əˈzoʊ ɪk /

adjective

Geology.

1. (formerly) noting or pertaining to the Precambrian Era, especially the period including the beginnings of animal life.

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Eozoic British  

/ ˌiːəʊˈzəʊɪk /

adjective

1. archaic of or formed in the part of the Precambrian era, during which life first appeared

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Etymology

Origin of Eozoic

First recorded in 1875–80; eo- + zo- + -ic

Example Sentences

Metamorphism of Eozoic rocks and disturbances preceding the Cambrian epoch—Present arrangement of Seasons—Dominion of "Existing Causes" begins.

From The Origin of the World According to Revelation and Science by Dawson, John William

Certain it is, that according to present appearances we have a new beginning in the Cambrian, which introduces the great Palæozoic age, and few links of connection are known between this and the previous Eozoic.

From The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants by Dawson, Sir J. William

Such a great movement unquestionably closed the Eozoic period of geology.

From The Origin of the World According to Revelation and Science by Dawson, John William

Vegetation, its creation, 186. of Eozoic period, 192.

From The Origin of the World According to Revelation and Science by Dawson, John William

The first is the Eozoic, or the age of the Archæan,—often called Pre-Cambrian—rocks; rocks largely volcanic, or greatly altered since their formation, showing only obscure traces of the life which no doubt existed.

From The Geological Story of the Isle of Wight by Hughes, J. Cecil