axion
noun
axion is spelled A-X-I-O-N: 5 letters. It appears about once in every 12 million words in written English, the 102,771st most frequent word form (wordfreq, 2021 data). As a noun, axion means “A hypothetical subatomic particle postulated to resolve certain symmetry problems concerning the strong nuclear force” (English Wiktionary, September 2026). The plural of axion is axions.
How many letters and syllables are in axion?
| Letters | 5: A-X-I-O-N |
|---|---|
| In writing | about once in every 12 million words; the 102,771st most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is axion?
Axion appears about once in every 12 million words in written English, the 102,771st 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).
Forms of axion
- axions plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does axion mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A hypothetical subatomic particle postulated to resolve certain symmetry problems concerning the strong nuclear force.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Axion in Spanish, French, German and Portuguese
In the sense hypothetical subatomic particle:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does axion come from?
Coined by American physicist Frank Wilczek in 1978 after Axion, a brand of laundry detergent, for its -on suffix and the notion that the new particle could "clean up" a problem in physics. Also with relation to the axial current.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).