Decade. A decade is a period of 10 years. The word is derived (via French and Latin) from the Ancient Greek: δεκάς, translit. dekas ), which means a group of ten. Other words for spans of years also come from Latin: biennium (2 years), triennium (3 years), quadrennium (4 years), lustrum (5 …
Decade definition, a period of ten years: the three decades from 1776 to 1806. See more.
Decade definition is – a group or set of 10 : such as. How to use decade in a sentence.
(ˈdɛk eɪd; Brit. also dɪˈkeɪd) n. 1. a period of ten years. 2. a period of ten years beginning with a year whose last digit is zero: the decade of the 1990s. 3. a set or series of ten. [1425–75; < Middle French < Late Latin decad-, s. of decas < Greek dekás group of ten =dék(a) ten + -as.]
decade definition: 1. a period of ten years, especially a period such as 2010 to 2019 2. a period of ten years: 3. Decades means a long time: . Learn more.
Here are some definitions. Noun. A series or group of ten things. [from 16th c.] An historical period of the ten years in which the beginning year ended in “0” and the ending year ended in “9”. Any given period of ten years. [from 17th c.] (historical) In the French Revolutionary calendar, a group of ten days.