Triennium (noun) Definition, Meaning & Examples

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noun, plural tri·en·ni·ums, tri·en·ni·a [trahy-en-ee-uh]. /traɪˈɛn i ə/.
  1. a period of three years.
noun plural -niums or -nia (-nɪə)
  1. a period or cycle of three years
Triennium (noun) Definition, Meaning & Examples

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