- The definition of a millennium is a period of 1000 years or is an anniversary of the passage of 1000 years.
- An example of a millennium is the 1000 years from year 1000 to the year 2000.
- The year 2000 was an example of the millennium.
nounpl. millenniums or millennia
- any period of 1,000 years: 2000 through 1001 is the 2d millennium
- a period of 1,000 years reckoned from a certain time, esp. from the beginning of the Christian Era (1): the year A.D. 2001 marks the beginning of the third millennium
- a 1,000th anniversary or its commemoration
- any period of great happiness, peace, prosperity, etc.; imagined golden age
Origin of millenniumModern Latin ; from Classical Latin mille, thousand + annus, year (after Classical Latin biennium): see annual
nounpl. mil·len·ni·a or mil·len·ni·ums
- A span of one thousand years.
- A thousand-year period of holiness mentioned in the book of Revelation, during which Jesus and his faithful followers are to rule on earth.
- A hoped-for period of joy, serenity, prosperity, and justice.
- A thousandth anniversary.
Origin of millenniumNew Latin mīllennium : Latin mīlle, thousand; see gheslo- in Indo-European roots + Latin annus, year; see at- in Indo-European roots.
(plural millennia or millenniums)
- A period of time consisting of one thousand years.
- (Christianity) The period of one thousand years during which Christ will reign on earth (according to Millenarianist interpretations).
- A period of universal happiness, peace or prosperity; a utopia.
- (with definite article) The year in which one period of one thousand years ends and another begins, especially the year 2000.
millennium - Computer Definition
(1) One thousand years. As it pertains to the calendar, we recently passed through the second millennium (January 1, 1001 to December 31, 2000), and the third millennium began January 1, 2001.
(2) (Windows Millennium) See Windows ME.