Lexic.us

Definition of Archaeozoic

1. Noun. The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life.

2. Adjective. Of or belonging to earlier of two divisions of the Precambrian era. "Archeozoic life forms"

Definition of Archaeozoic

1. Proper noun. Period of time determined to exist prior to 2.5 thousand million years ago. ¹

2. Adjective. Of or pertaining to the Archaeozoic. ¹

¹ Source: wiktionary.com

Medical Definition of Archaeozoic

1. Like or belonging to the earliest forms of animal life. Origin: Gr. Ancient + animal. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Archaeozoic

archaeomagnetism archaeometallurgist archaeometallurgists archaeometallurgy archaeometrist archaeometrists archaeometry archaeon archaeons archaeophyte

archaeophytes archaeopteryx archaeopteryxes archaeornis archaeostomatous archaeozoic archaeozoological archaeozoologist archaeozoologists archaeozoology

archaeplastid archaeus archaic archaic-paralogical thinking archaical archaically archaicism archaics archaio- archaiopteryx

Literary usage of Archaeozoic

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

1. Elements of Geology by Eliot Blackwelder, Harlan Harland Barrows (1911)
"It is difficult to imagine the vast length of time embraced in the Archaeozoic era. Since the bottom of the Archaean rocks has never been reached it is ..."

2. A Compend of Geology by Joseph LeConte (1898)
"Archaeozoic,* in the Archaean or Primary or Laurentian system of rocks ; 2. Paleozoic, f in the Palaeo- * Archaeozoic = primeval animal life, ..."

3. History of New Mexico: Its Resources and People by George B. Anderson, Pacific States Publishing Co (1907)
"In point of time the archaeozoic era was probably longer than all of the subsequent eras, the paleozoic many times longer than all the mesozoic and cenozoic ..."

4. The Outline of History: Being a Plain History of Life and Mankind by Herbert George Wells (1920)
"That is as true of all the minute creatures that swarmed and reproduced and died in the Archaeozoic and Pro- ..."

5. The American Journal of Psychology by Granville Stanley Hall, Edward Bradford Titchener (1908)
"In this case the archaeozoic period, occupying 52 million years, would be represented by 12 h. 30 in.; the palaeozoic period, to which a duration of 34 ..."

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