index rerum
An "index rerum" is a systematically organized tool used for easy reference and retrieval of information, often found in books or documents.
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Definition
C1Literature
(academic, formal)A detailed list of topics or subjects in a book, arranged alphabetically for easy reference.
Example
- The book's index rerum helped me quickly find the chapter on medieval history.
C1Documentation
(technical)A systematically organized notebook for preserving items, quotations, and other materials.
Example
- She kept an index rerum to catalog all her research notes.