Ionosphäre

[i̯onoˈsfɛːʁə]

/[i̯onoˈsfɛːʁə]/ noun

The verdict

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

Unranked
below top-frequency German
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - äußerste Schicht der Atmosphäre eines Himmelskörpers (meist der Erde), die durch Sonnenstrahlung Ionen und freie Elektronen enthält

Corpus desk

Index DE-ionosphare · Ionosphäre · German

Ionosphäre · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for Ionosphäre
PropertyValue
HeadwordIonosphäre
LanguageGerman
Part of speechNoun
IPA[i̯onoˈsfɛːʁə]
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Langschwanz-Rang von „Ionosphäre“ im Deutschen

Ionosphäreschafft es nicht in die Top 100.000 des Deutschen: Zone für Fach-, Alt- oder Seltenwortschatz.

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

Rare enough to double-check

Ionosphäre is uncommon German outside the top frequency list, classed as anoun, transcribed [i̯onoˈsfɛːʁə]. Rarity is why readers land here mid-draft. Gloss: "äußerste Schicht der Atmosphäre eines Himmelskörpers (meist der Erde), die durch Sonnenstrahlung Ionen und freie Elektronen enthält".

Our edit-distance generator produced no likely misspellings for Ionosphäre, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No documented word history exists for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct German form is Ionosphäre, spelled I-O-N-O-S-P-H-Ä-R-E.

Definition

  1. 1
    äußerste Schicht der Atmosphäre eines Himmelskörpers (meist der Erde), die durch Sonnenstrahlung Ionen und freie Elektronen enthält

Recorded use

Wiktionary examples

These source excerpts show how Ionosphäre appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. „Die Ionosphäre — jene Schicht, die zwischen 80 und 500 Kilometern unseren Planeten umgibt — ist bis heute so gut wie unerforscht.“
  2. „Diesmal wird die besondere Aufmerksamkeit der Himmelsforscher verschiedenen noch wenig ergründeten Phänomenen gelten, die sich vor allem in der Ionosphäre und der oberen Atmosphäre abspielen.“

This word in other languages

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 "Ionosphäre"?
"Ionosphäre" is spelled I-O-N-O-S-P-H-Ä-R-E. The IPA pronunciation is [i̯onoˈsfɛːʁə].
What does "Ionosphäre" mean?
As a noun, "Ionosphäre" means: äußerste Schicht der Atmosphäre eines Himmelskörpers (meist der Erde), die durch Sonnenstrahlung Ionen und freie Elektronen enthält
How do you pronounce "Ionosphäre"?
The IPA (International Phonetic Alphabet) transcription for "Ionosphäre" is [i̯onoˈsfɛːʁə]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Ionosphäre" come from?
"Ionosphäre" is a German word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

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

Source: FrequencyWords open word-frequency list