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epitomize
epitope
epitrachelion
epizoic
epizoon
epizootic
EPO
epoch
epoch-making
epode
eponym
eponymous
epopee
EPOS
epoxide
epoxide resin
epoxy
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epoch-making
ep·och-mak·ing


adjective 
Definition:
 
very significant: having great historical importance or momentous significance
Galileo's epoch-making discoveries
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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