Standard Lemma guide

geocorona

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The region of ionized hydrogen (protons) that makes up the outermost region of the Earth's atmosphere (and by extension of other planets.)

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Qualifier: Earth's atmosphere

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Analogs of the geocorona; Synonym of protonosphere.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

Qualifier: plasma physics; space physics; plasma physics; space physics

Topics: climatology, meteorology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From geo- + corona. From being the luminous part of the atmosphere, the outermost region of Earth's atmosphere.

Across languages

Translations

4 source translations are retained for this English entry.

  • French: géocouronne — Translations
  • French: géocorona — Translations
  • French: geocorona — Translations
  • Spanish: geocorona — Translations