geocenter
/ˈdʒiː.oʊˌsɛn.tər/
noun
Origin
Ancient Greek
γῆ (gē) + κέντρον (kentron) — earth + center/needle of a compass
Overview
Meaning Now
- The center of mass of the Earth.
Literal older meaning
Earth center
Language path
Ancient Greek → New Latin → English
Earliest form
geocenter
Earliest period
19th century
Journey
The term is primarily used in geodesy and satellite navigation to define coordinate systems where the origin is set at the Earth's center of mass rather than a surface location.
Evolution
- Ancient Greek
γῆ + κέντρον
“earth + center”
Original classical components.
- Modern English
geocenter
“The barycenter of the Earth”
Coined as a technical term for geophysics and celestial mechanics.
Connections
Word parts
geo-
prefix
relating to the Earth
center
root
point in the middle
Related across languages
French
géocentre
geocenter
German
Geozentrum
geocenter
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Related to geocenter
External references use DefinedTerm semantics.