isospin
noun
isospin is spelled I-S-O-S-P-I-N: 7 letters. It appears about once in every 24 million words in written English, the 148,541st most frequent word form (wordfreq, 2021 data). As a noun, isospin means “A quantum number or symmetry related to the strong interaction and hence to differences between atoms with the same number of nucleons” (English Wiktionary, September 2026). The plural of isospin is isospins.
How many letters and syllables are in isospin?
| Letters | 7: I-S-O-S-P-I-N |
|---|---|
| In writing | about once in every 24 million words; the 148,541st 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 isospin?
Isospin appears about once in every 24 million words in written English, the 148,541st 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 isospin
- isospins plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does isospin mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A quantum number or symmetry related to the strong interaction and hence to differences between atoms with the same number of nucleons.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does isospin come from?
Blend of isotopic + spin.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).