ionósfera

[joˈnosfeɾa]

/[joˈnosfeɾa]/ noun

The verdict

“ionósfera” is uncommon Spanish (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency Spanish
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Capa de la atmósfera terrestre que se encuentra entre la mesosfera y la exosfera, cuya extensión comienza aproximadamente entre 80 y 120 kilómetros de altura sobre la superficie terrestre, prolongá...

Key facts for ionósfera
PropertyValue
Headwordionósfera
LanguageSpanish
Part of speechNoun
IPA[joˈnosfeɾa]
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ionósfera” sits in Spanish frequency

ionósfera falls outside the top-100,000 ranked Spanish words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ionósfera is uncommon Spanish outside the top frequency list, classed as anoun, transcribed [joˈnosfeɾa]. Rarity is why readers land here mid-draft. Gloss: "Capa de la atmósfera terrestre que se encuentra entre la mesosfera y la exosfera, cuya extensión comienza aproximadamente entre 80 y 120 kilómetros de altura sobre la superficie terrestre, prolongá...".

We couldn't generate a plausible misspelling set for ionósfera, suggesting the orthography follows predictable Spanish patterns. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No borrowing history is documented for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct Spanish form is ionósfera, spelled I-O-N-Ó-S-F-E-R-A.

Definition

  1. 1
    Capa de la atmósfera terrestre que se encuentra entre la mesosfera y la exosfera, cuya extensión comienza aproximadamente entre 80 y 120 kilómetros de altura sobre la superficie terrestre, prolongándose hasta entre 500 y 1000 kilómetros de altura sobre la capa de la tierra terrestre. Dentro de esta capa, existe la radiación ultravioleta, pero sobre todo los rayos gamma y rayos X provenientes del Sol, provocan la ionización de átomos de sodio.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ionósfera"?
"ionósfera" is spelled I-O-N-Ó-S-F-E-R-A. The IPA pronunciation is [joˈnosfeɾa].
What does "ionósfera" mean?
As a noun, "ionósfera" means: Capa de la atmósfera terrestre que se encuentra entre la mesosfera y la exosfera, cuya extensión comienza aproximadamente entre 80 y 120 kilómetros de altura sobre la superficie terrestre, prolongá...
How do you pronounce "ionósfera"?
The IPA (International Phonetic Alphabet) transcription for "ionósfera" is [joˈnosfeɾa]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ionósfera" come from?
"ionósfera" is a Spanish word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “ionósfera”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is I-O-N-Ó-S-F-E-R-A - every other letter order is a misspelling in standard orthography.
  • Say it as [joˈnosfeɾa] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list