decade

play
noun de·cade \ˈde-ˌkād, de-ˈkād; especially sense 1b ˈde-kəd\

Definition of decade

  1. 1 :  a group or set of 10 his prisoners were divided into decades — William Godwin: such asa :  a period of 10 years has been teaching for over a decade the decade of the twentiesb Roman Catholicism :  a division of the rosary that consists primarily of 10 Hail Marys

  2. 2 mathematics :  a ratio of 10 to 1 :  order of magnitude

decadal

play \ˈde-kə-dəl\ adjective

Examples of decade in a sentence

  1. The war lasted nearly a decade.

  2. The bridge was built a decade ago.

  3. The decade of the 1920s runs from January 1, 1920 to December 31, 1929.

  4. the first decade of the 21st century

  5. There have been a lot of changes during the past two decades.

Origin and Etymology of decade

Middle English, from Medieval French décade, from Late Latin decad-, decas, from Greek dekad-, dekas, from deka —see deca-


First Known Use: 15th century

Other Number-Related Terms


DECADE Defined for English Language Learners

decade

play
noun de·cade \ˈde-ˌkād, de-ˈkād; especially sense 1b ˈde-kəd\

Definition of decade for English Language Learners

  • : a period of 10 years; especially : a 10-year period beginning with a year ending in 0


DECADE Defined for Kids

decade

play
noun de·cade \ˈde-ˌkād, de-ˈkād\

Definition of decade for Students

  1. :  a period of ten years



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