Prime Meridian (Noun)
Meaning
Meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England).
Classification
Nouns denoting spatial position.
Examples
- The Royal Observatory in Greenwich, England is home to the Prime Meridian, the line from which all other longitudes are measured.
- To calculate east and west, one must start at the Prime Meridian and work outward from that reference point.
- A trip to Greenwich allowed her to stand on the Prime Meridian and have one foot in the eastern hemisphere and the other in the western.
- Established in 1884, the Prime Meridian at Greenwich was adopted as the global standard for determining longitudes.
- Since all maps use the Prime Meridian as their point of origin, understanding it is crucial for accurate navigation.