Meanings
- uncountableThe region of outer space near Earth, including the upper atmosphere, ionosphere and magnetosphere.
- uncountableThe region of space that goes from the solar photosphere to the mesosphere of Earth. It includes the solar photosphere, chromosphere and corona, the solar wind, Earth's magnetosheath, magnetosphere, thermosphere, ionosphere and mesosphere.
Origin
Cite this entry
geospace. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/geospace
“geospace.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/geospace. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “geospace,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/geospace.
Source: geospace on Wiktionary, CC BY-SA 4.0.