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arch (1)
arch (2)
arch-
arch.
arch bridge
archae-
archaea
Archaean
archaebacteria
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archaeoastronomy
archaeobotany
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archaeological dating
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archaebacteria
ar·chae·bac·te·ri·a [ rki bak tree ə ]


plural noun 
Definition:
 
microbiology 
Same as  archaea
[Late 20th century. Because believed to be of ancient origin]

ar·chae·bac·te·ri·al adjective
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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