longitude

/'lɔndʤitju:d/

Thân thiện

A sailor checks the ship's longitude on a nautical chart.

Definition

1. Noun:
   • Angular distance east or west: The angular distance, measured in degrees, minutes, and seconds, of a point on the Earth's surface east or west of the Prime Meridian (0°), which runs through Greenwich, England. It is a coordinate used to specify a location's east-west position.

Usage and Examples

• Noun:
  • The ship's captain calculated the longitude to determine their precise position in the ocean.
  • The city of New York is located at a longitude of approximately 74 degrees west.
  • Latitude and longitude are essential for modern GPS navigation systems.

Advanced Usage

• "Line of longitude": Another term for a meridian; an imaginary line connecting the North and South Poles, running north-south, along which longitude is measured.
  • The Prime Meridian is the line of longitude defined as 0 degrees.

Variants and Related Words

• Longitudinal (adj): Relating to longitude or length; running lengthwise.
  • The longitudinal lines on the map help us find east-west positions.

Synonyms

• Meridian: Specifically refers to a line of constant longitude.
• East-west coordinate: A descriptive term for its function.

Related Concepts (Not Phrasal Verbs or Idioms)

• Prime Meridian: The zero-degree line of longitude from which other longitudes are measured.
• Latitude: The complementary coordinate measuring north-south position.

Học thuật

Noun

1. the angular distance between a point on any meridian and the prime meridian at Greenwich