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decade

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decade

Main Entry:: de·cade
Pronunciation:: \ˈde-ˌkād, de-ˈkād; especially sense 1b ˈde-kəd\
Function:: noun
Etymology:: Middle English, from Middle French décade, from Late Latin decad-, decas, from Greek dekad-, dekas, from deka
Date:: 15th century

1: a group or set of 10: as a: a period of 10 years b: a division of the rosary that consists primarily of 10 Hail Marys 2: a ratio of 10 to 1 : order of magnitude

— de·cad·al

Listen to the pronunciation of decadal

\ˈde-kə-d^əl\ adjective

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