geospace

G2E1O1S1P3A1C3E1
/ˈd͡ʒiːəʊˌspeɪs/

noun

The region of outer space near Earth, including the upper atmosphere, ionosphere and magnetosphere.

RareScrabble 13

Meanings

noungeospace (uncountable)
  1. uncountableThe region of outer space near Earth, including the upper atmosphere, ionosphere and magnetosphere.
  2. 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
APA

geospace. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/geospace

MLA

“geospace.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/geospace. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “geospace,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/geospace.

Source: geospace on Wiktionary, CC BY-SA 4.0.