longitude
Angular distance measured west or east of the prime meridian.
Other meanings
Any imaginary line perpendicular to the equator and part of a great circle passing through the North Pole and South Pole.
Related words
- geolongitude
- heliolongitude
- palaeolongitude
- paleolongitude
- longitude clock
- longitudinal
- celestial longitude
- ecliptic longitude
Word history
From Latin "longitūdō" (length, a measured length).
Where this comes from
This definition is adapted from “longitude” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.