Definition

1. Noun:
   • Nautical mile: A unit of measurement for distance used in maritime and air navigation, equal to exactly 1,852 meters. It is based on the circumference of the Earth and is slightly longer than a statute mile (1,609 meters).

Usage Examples

• Noun:
  • Tàu di chuyển với tốc độ 20 hải lý một giờ. (The ship is moving at a speed of 20 nautical miles per hour.)
  • Hai cảng này cách nhau khoảng 120 hải lý. (These two ports are approximately 120 nautical miles apart.)
  • Khu vực đánh cá cấm mở rộng ra 12 hải lý tính từ đường bờ biển. (The prohibited fishing zone extends 12 nautical miles from the coastline.)

Advanced Usage

• "hải lý quốc tế": International nautical mile.
  • Hải lý quốc tế là đơn vị đo lường được chấp nhận trên toàn cầu. (The international nautical mile is the measurement unit accepted globally.)

Variants and Related Words

• Dặm biển: Another, less common Vietnamese term for nautical mile. It is a direct translation.
• Hải lí: An alternate spelling of "hải lý". Both forms are correct and used interchangeably.

Synonyms

• NM (abbreviation): The standard abbreviation for nautical mile.
• nmi (abbreviation): Another common abbreviation for nautical mile.

Notes on Different Meanings

• The word "hải lý" has only one primary meaning as a unit of distance. It should not be confused with "dặm" (statute/land mile, ~1.6 km) or "kilômét" (kilometer, 1,000 m).

noun

1. nautical mile