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thumb index

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thumb index

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈthumb ˌindex noun [countable]  TCNa line of round cuts in the edge of a large book which have the letters of the alphabet on them and help you find the part of the book you want 拇指索引,书边挖月索引
Examples from the Corpus
thumb indexDo I have a thumb index?
ˈthumb ˌindex nounChineseSyllable
the Corpus in round edge of cuts line a


thumb index
ˈthumb ˌindex noun [countable]
a line of round cuts in the edge of a large book which have the letters of the alphabet on them and help you find the part of the book you want


thumb indexBrE /ˈθʌm ɪndeks/ 🔊NAmE /ˈθʌm ɪndeks/ 🔊 nouna series of cuts in the edge of a book, with letters of the alphabet on them, to help you to find the section that you want more easily 拇指页标;书边标目;书边挖月索引