Definition of "decennium" [de•cen•ni•um]

• A period of ten years; a decade. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "He was occupied actively with teaching, but the dominant feature of the decennium was his assumption of the Darwinian doctrines."
• "But often after I've cursed Kate and mobile telephony in one breath, she'll come up with something so sweet that she's secured her honorary place among my friends for the next decennium or two."
• "According to Swedish daily DN, seven young Swedish prose authors have launched an ambitious literary manifesto called, in Swedish, Manifest för ett nytt litterärt decennium."