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meson
mesopause
mesopelagic
mesophyll
mesophyte
mesopore
Mesopotamia
mesosome
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message code authentication
mes·sage code au·then·ti·ca·tion


noun 
Definition:
 
verification of message: the cryptographic verification of the author and integrity of an e-mail message
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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