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Definition of Precambrian in English :

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Precambrian meaning in English

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Precambrian

see synonyms of precambrian

Noun

1. precambrian, precambrian aeon, precambrian eon, precambrian period

the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago

WordNet Lexical Database for English. Princeton University. 2010.

Precambrian

see synonyms of precambrian
adjective
1. 
of, denoting, or formed in the earliest geological era, which lasted for about 4 000 000 000 years before the Cambrian period
noun
2.  the Precambrian

Collins English Dictionary. Copyright © HarperCollins Publishers

Precambrian

see synonyms of precambrian
adjective
[sometimes p-]
designating or of the division of geologic time covering all the time before the Cambrian Period, equivalent to the Archean Eon and the Proterozoic Eon

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Precambrian

see synonyms of precambrian
adj.
Of, relating to, or being the geologic time period between Hadean Time and the Cambrian Period, often subdivided into the Archean and Proterozoic Eras, comprising most of the earth's history and marked by the appearance of primitive forms of life. See Table at geologic time.
n.
The Precambrian Eon.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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