decennium

[ dih-sen-ee-uhm ]

noun

, plural de·cen·ni·ums, de·cen·ni·a [dih-, sen, -ee-, uh].

1. a period of ten years; a decade.

decennium

/ dɪˈsɛnɪəm; dɪˈsɛnərɪ /

noun

1. a less common word for decade

Word History and Origins

Origin of decennium¹

From Latin, dating back to 1675–85; decennial

Word History and Origins

Origin of decennium¹

C17: from Latin, from decem ten + annus year

Example Sentences

The Apple of 2010, at the end of its decennium mirabilis, had a record of hardware innovation no other electronics firm could match.

From New York Times

But with intellectual matters it is totally different; they change from century to century, nay, from decennium to decennium.

From Project Gutenberg

Lord Rochester is said to have been continually drunk during a whole quintennium; but such a chaplain is capable of being sober for an entire decennium.

From Project Gutenberg

In England, it is true that the largest cities show during the last decennium a certain slackening in the pace of growth.

From Project Gutenberg

After that three pontifical briefs were obtained, each one ad decennium, empowering them to graduate students from the courses of philosophy and theology.

From Project Gutenberg