English · Numbers & Time
millennium
/mɪˈlɛniəm/
[/mɪˈlɛniəm/]
1,000 years
Advancednoun
Definition
A period of one thousand years.
Example
The new millennium began with great celebrations around the world.
The new millennium began with great celebrations around the world.
Etymology
From Latin "mille," thousand, plus "annus," year.
How & Where It’s Used
Used for thousand-year spans; its plural is "millennia."