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tridimensional
tridosha
triduum
tried
tried and true
triene
triennia
triennial
triennium
Trier
trier
trierarch
trierarchy
Trieste
Trieste, Gulf of
trifecta
triffid
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triennium
tri·en·ni·um [ trī énnee əm ] (plural tri·en·ni·ums or tri·en·ni·a [ trī énnee ə ])


noun 
Definition:
 
3-year period: a period of three years
[Mid-19th century. < Latin< annus "year"]
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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