radion
noun
radion is spelled R-A-D-I-O-N: 6 letters. It appears about once in every 54 million words in written English, the 228,409th most frequent word form (wordfreq, 2021 data). As a noun, radion means “The radius modulus of an extra dimension in a compactification. Coined in 1998 by Nima Arkani-Hamed, Savas Dimopoulos, and John March-Russell in the…” (English Wiktionary, September 2026). The plural of radion is radions.
How many letters and syllables are in radion?
| Letters | 6: R-A-D-I-O-N |
|---|---|
| In writing | about once in every 54 million words; the 228,409th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is radion?
Radion appears about once in every 54 million words in written English, the 228,409th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
What rhymes with radion?
No other word on PlainSpell ends in the same sounds as radion.
Spelled with the same letters in another order: ordain, inroad, donair, draino.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of radion
- radions plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does radion mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The radius modulus of an extra dimension in a compactification. Coined in 1998 by Nima Arkani-Hamed, Savas Dimopoulos, and John March-Russell in the paper "Stabilization of Sub-Millimeter Dimensions: The New Guise of the Hierarchy Problem".
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does radion come from?
From radius + -on.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).