Radon

[ˈʁaːdɔn]

/[ˈʁaːdɔn]/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“Radon” is uncommon German (frequency #59,986 among 2,984 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#59,986
frequency rank, German
2,984
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - chemisches Element mit der Ordnungszahl 86, das zur Gruppe der Edelgase gehört

Corpus desk

Index DE-radon · Radon · German

Radon · rank #59,986 · 0 variants · 0 confusables

  • FREQ-RARE #59,986
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,984
  • PHOTO-FINISH Raffinerien

Nearest frequency peer: Raffinerien (+1 rank slots)

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.

Langschwanz-Ränge nahe „Radon“

Dünnes Band: Balken invertieren den Rang, seltenere Formen wirken kürzer

corpus weight

What this shows Langschwanz-Sicht: wo „Radon“ gegen ähnlich seltene deutsche Ränge sitzt.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Radon
PropertyValue
HeadwordRadon
LanguageGerman
Part of speechNoun
IPA[ˈʁaːdɔn]
Letters5
Frequency rank#59,986
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Langschwanz-Rang von „Radon“ im Deutschen

Die Häufigkeit läuft von den wenigen Alltagswörtern (links) bis zur langen, seltenen Schwanzseite (rechts).Radonfällt in diesen Seltenheitsbereich:

#1#100#1K#10K#100K
← used constantlyrarely used →

Die Achse ist logarithmisch: jeder Tick markiert etwa zehnfach geringere Häufigkeit. Seltene Nachbarn derselben Bandbreite: „Raffinerien“ (#59,987), „Quartiers“ (#59,984), „raffinierter“ (#59,988). Unter 2,984 „R“-Lemmata liegt „Radon“ bei #59,986. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Radon is uncommon German at frequency #59,986 among 2,984 “R” headwords, classed as anoun, transcribed [ˈʁaːdɔn]. Rarity is why readers land here mid-draft. Gloss: "chemisches Element mit der Ordnungszahl 86, das zur Gruppe der Edelgase gehört".

Radon doesn't appear in our generated misspelling index, a sign its spelling follows regular German conventions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

This headword's origin isn't recorded in our source data, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct German form is Radon, spelled R-A-D-O-N.

Definition

  1. 1
    chemisches Element mit der Ordnungszahl 86, das zur Gruppe der Edelgase gehört

Recorded use

Wiktionary examples

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

  1. Radon wurde 1900 von Friedrich Ernst Dorn entdeckt.
  2. „Wie alle Edelgase ist Radon chemisch fast nicht reaktiv; nur mit Fluor reagiert es zu Radonfluorid.“

Synonyms

NitonRadongas

This word in other languages

radon(English)radón(Español)radon(Français)rádon(Português)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 German corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Radon"?
"Radon" is spelled R-A-D-O-N. The IPA pronunciation is [ˈʁaːdɔn].
What does "Radon" mean?
As a noun, "Radon" means: chemisches Element mit der Ordnungszahl 86, das zur Gruppe der Edelgase gehört
How do you pronounce "Radon"?
The IPA (International Phonetic Alphabet) transcription for "Radon" is [ˈʁaːdɔn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Radon" come from?
"Radon" 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.

Similar German words by spelling shape

Same letter count and similar misspelling depth for "Radon", not the corpus desk frequency band.

Same letter count

Frequency-ranked German headwords with 5 letters (nearest by frequency rank).

pusht#59,983props#59,976Prado#59,972rinnt#60,009

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

Source: FrequencyWords open word-frequency list