nounWord forms: plural-niums, -nia (-nɪə) or -naries
a less common word for decade (sense 1)
Word origin
C17: from Latin, from decem ten + annus year
Examples of 'decennia' in a sentence
decennia
To this end, the last decennia have seen more and more economic evaluation methods being employed in this field.
Jonas Steel, Lode Godderis, Jeroen Luyten 2018, 'Methodological Challenges in the Economic Evaluation of Occupational Health and SafetyProgrammes', International Journal of Environmental Research and Public Healthhttps://www.mdpi.com/1660-4601/15/11/2606. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)