ISBN /ˌaɪˌɛsˌbiːˈɛn/ noun plural ISBNs
plural ISBNs
Learner's definition of ISBN
[count]
: a number that is given to a book when it is published and that is used to help identify the book国际标准图书编号 —
usually singular通常用单数 ◊ ISBN is an abbreviation of “International Standard Book Number.”*ISBN是International Standard Book Number的缩略词。