duodecennial
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Duodecennial — Du o*de*cen ni*al, a. [L. duodecennis; duodecim twelve + annus year.] Consisting of twelve years. [R.] Ash. [1913 Webster] … The Collaborative International Dictionary of English
duodecennial — du·o·decennial … English syllables
Anniversary — For other uses, see Anniversary (disambiguation). An anniversary is a day that commemorates and/or celebrates a past event that occurred on the same day of the year as the initial event. For example, the first event is the initial occurrence or,… … Wikipedia
