Definition

Noun 1. A compass orientation aligned with the Earth's meridians: The "north-south direction" refers to a line or course that runs parallel to the lines of longitude on the globe, connecting the North Pole and the South Pole. It is one of the two primary cardinal axes, the other being east-west.

Usage

• This term is used to describe alignment, orientation, or movement along the axis between north and south.
• It is a specific, fixed geographical concept based on the Earth's rotation.

Examples

• Noun:
  • The mountain range runs in a north-south direction, creating a natural barrier.
  • For optimal sunlight, solar panels should face a north-south direction in some equatorial regions.
  • The highway was constructed in a strict north-south direction to connect the two coastal cities.

Advanced Usage

• In navigation and cartography: The concept is fundamental for map orientation, surveying, and defining coordinates.
  • The property's boundaries are defined by lines running in a north-south direction and an east-west direction.
• In physics and engineering: Used to describe the orientation of fields, forces, or structural elements.
  • The experiment required the apparatus to be aligned in a precise north-south direction to measure the Earth's magnetic field accurately.

Variants and Related Words

• Northward (adv., adj.): Moving or facing toward the north.
  • They traveled northward for three days.
• Southward (adv., adj.): Moving or facing toward the south.
  • The flock migrated southward for the winter.
• Meridional (adj.): Relating to a meridian or the north-south direction.
  • The meridional flow of the atmosphere.

Synonyms

• Longitudinal direction (in a geographical context, parallel to longitude).
• Meridional direction.

Antonyms

• East-west direction: A direction parallel to lines of latitude.

Noun

1. in a direction parallel with lines of longitude