triennium Hear it!

triennium definition

tri·en·nium (trī en′ē əm)

noun pl. trienniums -·ni·ums or triennia -·nia (-ə)

a period of three years

Etymology: L, see triennial

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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