ISSN
noun
ISSN is spelled I-S-S-N: 4 letters. It appears about once in every 1 million words in written English, the 35,748th most frequent word form (wordfreq, 2021 data). As a noun, ISSN means “Initialism of International Standard Serial Number” (English Wiktionary, September 2026). The plural of ISSN is ISSNs.
How many letters and syllables are in ISSN?
| Letters | 4: I-S-S-N |
|---|---|
| In writing | about once in every 1 million words; the 35,748th 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 ISSN?
ISSN appears about once in every 1 million words in written English, the 35,748th 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 ISSN
- ISSNs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ISSN mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Initialism of International Standard Serial Number.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
ISSN in Spanish, French, German and Portuguese
In the sense International Standard Serial Number:
| Language | Words |
|---|---|
| French | numéro international normalisé des publications en série |
| German | Internationale Standardnummer für fortlaufende Sammelwerke |
| Portuguese | Número Internacional Normalizado para Publicações Seriadas, Número Internacional Normalizado das Publicações em Série |
| Spanish | Número Internacional Normalizado de Publicaciones Seriadas |
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.