DECEN'NIAL, a. [L. as above.] Continuing for ten years; consisting of ten years; or happening every ten years; as a decennial period; decennial games.DEC'ENNOVAL,DECEN'NOVARY, a. [L. decem, ten, and novem, nine.] Pertaining to the number nineteen; designating a period or circle of nineteen years.DE'CENT, a. [L. decens; Fr. decent.]
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