thiên niên kỉ

Một thiên niên kỉ là một khoảng thời gian rất dài.

Definition

1. Noun:
   • Millennium: A period of one thousand years. This is the primary and most precise meaning of "thiên niên kỉ," used in historical, religious, and futuristic contexts to denote a span of a thousand years.

Usage Examples

• Noun:
  • Chúng ta đang sống trong những năm đầu của thiên niên kỉ thứ ba. (We are living in the early years of the third millennium.)
  • Một thiên niên kỉ là khoảng thời gian bằng 10 thế kỷ. (A millennium is a period of time equal to 10 centuries.)

Advanced Usage

• The term is often used in formal, academic, or prophetic contexts. It can refer to a specific thousand-year period in the past or future, such as in discussions of calendar systems, biblical prophecy, or long-term historical cycles.

Variants and Related Words

• Thiên kỷ: A less common, abbreviated variant with the same meaning as "thiên niên kỉ" (millennium).
• Thế kỷ: Century (a period of one hundred years).
• Thập kỷ: Decade (a period of ten years).

Synonyms

• Millennium: A period of one thousand years.
• Chiliad: A less common synonym for a millennium.

Related Concepts

• While not a direct idiom, the concept is central to phrases like "đổi thay sau một thiên niên kỉ" (change after a millennium) or "bước sang thiên niên kỉ mới" (to enter a new millennium), describing profound, long-term transformation.