decennial /dɪˈsɛnɪəɫ/adjective 2noun 3forms 1 adjective2 •Occurring every ten years. •Of or related to a ten-year period, as a term of office. noun3 •A tenth anniversary. •(historical) Synonym of decennalia, the festival and religious ritual held in the 10th year of a Roman emperor's reign.Roman coins mentioning the vota publica for Macrinus are RIC IV.1 5–13; on vota publica for the decennials and vicennials of emperors in the 2nd and 3rd c. ad, see Chastagnol 1984. — 2022 •Synonym of decade, a ten-year period. formsdecennials
