Origin of decennial
Related formsde·cen·ni·al·ly, adverb
Examples from the Web for decennial
This seems to have been carried into effect early in the present decennial period.
The decennial period was at hand when revision of the treaty of Tientsin might be claimed.The Englishman in China During the Victorian Era, Vol. II (of 2)|Alexander Michie
Period of the decennial archons, seven of whom succeeded between 752—682.A Manual of Ancient History|A. H. L. (Arnold Hermann Ludwig) Heeren
The demand is moderate, and at the decennial revision pleas for reduction are indulgently considered.A Civil Servant in Burma|Herbert Thirkel White
The figures fluctuate more severely than these decennial averages show, and the progress has not been one of uniform increase.