thumb-indexed

adjective

Definition of thumb-indexed

of a book
: having a series of small cuts in the edge of the pages that are labeled and that make it easier to open the book to a particular section a thumb-indexed dictionary

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“Thumb-indexed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thumb-indexed. Accessed 11 Aug. 2020.

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