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archaeomagnetism
archaeometry
archaeopteryx
archaic
archaise
archaism
archaize
Archangel
archangel
archbishop
archbishopric
archconservative
archd.
archdeacon
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Archaean
Ar·chae·an


noun,

adjective 
Definition:
 
geology 
Another spelling of  Archean
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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