Definition of Decade

1. Noun. A period of 10 years.

2. Noun. The cardinal number that is the sum of nine and one; the base of the decimal system.
Exact synonyms: 10, Ten, Tenner, X
Generic synonyms: Large Integer

Definition of Decade

1. n. A group or division of ten; esp., a period of ten years; a decennium; as, a decade of years or days; a decade of soldiers; the second decade of Livy.

Definition of Decade

1. Noun. A series or group of ten things. (defdate from 16th c.) ¹

2. Noun. A period of ten years. (defdate from 17th c.) ¹

3. Noun. (context: French history) A group of ten days under the French Revolutionary calendar. (defdate from 18th c.) ¹

4. Noun. A series of ten Hail Marys in the rosary. ¹

5. Noun. (rare) The interval between any two quantities having the ratio 10 to 1. ¹

¹ Source:

Definition of Decade

1. a period of ten years [n -S] : DECADAL [adj]

Medical Definition of Decade

1. A group or division of ten; especially, a period of ten years; a decennium; as, a decade of years or days; a decade of soldiers; the second decade of Livy. Alternative forms: decad] "During this notable decade of years." (Gladstone) Origin: F. Decade, L. Decas, -adis, fr. Gr, fr. Ten. See Ten. Source: Websters Dictionary (01 Mar 1998)

Decade Pictures

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Lexicographical Neighbors of Decade

debye shielding
debye sphere
decabromodiphenyl ether
decade (current term)
decade long
decadic dialling

Literary usage of Decade

Below you will find example usage of this term as found in modern and/or classical literature:

1. Popular Science Monthly (1904)
"Of the 18 secretaries, there are three in the first decade, three in the second and 12 in ... In the second decade are four graduates: three missionaries, ..."

2. The American Journal of Psychology by Granville Stanley Hall, Edward Bradford Titchener (1910)
"THE PAST decade IN EXPERIMENTAL PSYCHOLOGY1 By EB TITCHENER I am to speak in this hour of the ... Of our own unit, the decade, we can say no more than that, ..."

3. The American Journal of International Law by American Society of International Law (1917)
"With the present number for January, 1917, the JOURNAL begins its second decade, which it is hoped will be one of even greater usefulness. ..."

4. Classical Quarterly by Classical Association (Great Britain) (1908)
"OF LIVY'S FIRST decade.1 THIS MS contains Bk. i. to Bk. x. ch. ... all the MSS of the ist decade are descended from the recension made by Symmachus, ..."

5. Women and Minorities in Science and Engineering: An Update (1993)
"Over the past decade, the number of women enrolled in graduate S&E education ... At the end of the decade, women received 42 percent of all master's degrees ..."

6. The Harvard Classics by Charles William Eliot (1910)
"Nature I loved, and next to Nature, Art; I warmed both hands before the fire of life, It sinks, and I am ready to depart. To MY NINTH decade To my ninth ..."

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