Pronunciation: /mɪˈlɛniəm/
noun a period of great happiness, prosperity, peace, or tranquility
A1 The millennium is a period of one thousand years.
A2 Many people believe that the new millennium started in the year 2000.
B1 The turn of the millennium brought about many technological advancements.
B2 The construction of the Great Wall of China took place over several centuries, spanning different millennia.
C1 The concept of time measurement in astronomy involves the use of millennia.
C2 Archaeologists study ancient civilizations that existed thousands of millennia ago.
formal The millennium is often considered a period of one thousand years.
informal I can't believe we're already in the third millennium!
slang This party is going to be lit - we're ringing in the new millennium in style!
figurative The invention of the internet was a game-changer, marking a new millennium in communication.
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