We found 18 dictionaries that define the word ISSN:

General (12 matching dictionaries)

1. ISSN: Merriam-Webster
2. ISSN: Oxford Learner's Dictionaries
3. ISSN: Collins English Dictionary
4. Issn, issn: Wordnik
5. ISSN: Wiktionary
6. ISSN: Webster's New World College Dictionary, 4th Ed.
7. ISSN: Infoplease Dictionary
8. ISSN: Dictionary.com
9. ISSN (identifier), ISSN, Issn: Wikipedia, the Free Encyclopedia
10. ISSN: Stammtisch Beau Fleuve Acronyms
11. ISSN: TheFreeDictionary.com
12. ISSN: Merriam-Webster

Art (2 matching dictionaries)

13. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)
14. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Computing (1 matching dictionary)

15. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)

Miscellaneous (2 matching dictionaries)

16. ISSN: Acronym Finder
17. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

18. ISSN: Urban Dictionary

Definitions from Wiktionary (ISSN) ▸ noun:  Initialism of International Standard Serial Number. Similar: ProQuest, PMID, verlag, OCLC, LCCN, PNAS, ASTM, Suppl., forskning, biologie, more... Opposite: ssn, non-issn, not-issn ▸ Words similar to ISSN ▸ Usage examples for ISSN ▸ Idioms related to ISSN ▸ Wikipedia articles (New!) ▸ Popular adjectives describing ISSN ▸ Words that often appear near ISSN ▸ Rhymes of ISSN ▸ Invented words related to ISSN