Archaean
adjective
of or relating to the highly metamorphosed rocks formed in the early Precambrian era
Showing results for "Archaean"
- a variation of Archean.
Archaean
1 British
/ ɑːˈkiːən /
adjective
-
of or relating to the highly metamorphosed rocks formed in the early Precambrian era
-
the earlier of two divisions of the Precambrian era, during which the earliest forms of life are assumed to have appeared
archaean
2
British
/ ɑːˈkɪən /
noun
Vocabulary lists containing archaean
Earth Science - High School
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Geology - High School
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Example Sentences
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There are four different types of Archaean cell walls.
From Textbooks ● Jun. 9, 2022
Archaean cell walls do not have peptidoglycan, but they may have pseudopeptidoglycan, polysaccharides, glycoproteins, or protein-based cell walls.
From Textbooks ● Jun. 9, 2022
The team concluded that if the biggest imprints in the Ventersdorp rock were formed by the largest raindrops, air pressure in the Archaean could have been no more than twice what it is today.
From BBC ● Dec. 4, 2012
The confounding factor would be if raindrops were somehow much bigger in Archaean times.
From BBC ● Dec. 4, 2012
This Archaean or original rock must necessarily have extended all over the surface of our sphere as it cooled from its molten form and contracted into the earth on which we live.
From The Dawn of Canadian History : A Chronicle of Aboriginal Canada by H. H. (Hugh Hornby) Langton
Do archaean methanogens differ from other Archaea structurally, and if so, in what way?
From Textbooks ● Jun. 9, 2022
What is another question you might pose to learn more about the structural features that allow for the capture, storage, and use of free energy by archaean methanogens?
From Textbooks ● Jun. 9, 2022
The cytoplasm of both bacterial and archaean prokaryotic cells has a high concentration of dissolved solutes.
From Textbooks ● Jun. 9, 2022
Do archaean methanogens differ from other Bacteria structurally, and if so, in what way?
From Textbooks ● Jun. 9, 2022
Clark turned to his office, still contemplating the dignity of his visitor, the stark simplicity of this archaean aristocrat.
From The Rapids by Alan Sullivan
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