longitude
Longitude (noun) means the angular distance of a place east or west of the prime meridian, measured in degrees. Example: “Sailors once struggled to calculate longitude accurately at sea.”
How to use longitude
Learner’s notesIn plain EnglishA measurement used with latitude to pinpoint an exact location on Earth, based on distance east or west.
Longitude lines run north-south (measuring east-west position); don't mix it up with latitude, which measures north-south position.
Word forms
- Plural
- longitudes
Fill the gap
Can you complete this real example?
Sailors once struggled to calculate _____ accurately at sea.
Etymology
From Old French longitude, from Latin longitudo ("length"), from longus ("long").