Geodetic Coordinate System (glossary)
A geodetic coordinate system, or its synonym ellipsoidal coordinate system, is a coordinate system in which position is specified by geodetic latitude, geodetic longitude and (in the three-dimensional case) ellipsoidal height.
Note to entry: Geodetic coordinate system and ellipsoidal coordinate system are used synonymously but have separate entries in the ISO.
ISO TC211. "Geodetic coordinate system." In: ISO TC211 Multilingual Glossary. Version from 2020-06-02. Concept ID: 196. Available at: https://isotc211.geolexica.org/concepts/196/.