DECENNIUM


Meaning of DECENNIUM in English

-nēəm noun

( plural decenniums -ēəmz ; or decennia -ēə)

Etymology: Latin, from decennis of ten years, from dec- (from decem ten) + -ennis (from annus year) — more at annual

: a period of 10 years

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.