hadron
/ˈhæd.ɹɑn/noun
hadron is spelled H-A-D-R-O-N: 6 letters and 2 syllables. It appears about once in every 2 million words in written English, the 42,680th most frequent word form (wordfreq, 2021 data). As a noun, hadron means “A composite particle that comprises two or more quarks held together by the strong force and (consequently) can interact with other particles via…” (English Wiktionary, September 2026). The plural of hadron is hadrons.
How many letters and syllables are in hadron?
| Letters | 6: H-A-D-R-O-N |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 42,680th 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 and the CMU Pronouncing Dictionary; 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 hadron?
Hadron appears about once in every 2 million words in written English, the 42,680th 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).
How do you pronounce hadron?
- UK /ˈhæd.ɹɒn/
- US /ˈhæd.ɹɑn/
Hadron has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-hadron.ogg, Wikimedia Commons (author and licence on each file's page).
What rhymes with hadron?
No other word on PlainSpell ends in the same sounds as hadron (/ædɹɑn/).
Spelled with the same letters in another order: hardon.
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 hadron
- hadrons plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does hadron mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A composite particle that comprises two or more quarks held together by the strong force and (consequently) can interact with other particles via said force; a meson or a baryon.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Hadron in Spanish, French, German and Portuguese
In the sense composite particle composed of quarks:
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 hadron come from?
From Ancient Greek ἁδρός (hadrós, “thick”) + English -on. Coined by Russian physicist Lev Okun in 1962 in a plenary talk at the International Conference on High Energy Physics.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).