Definition of Index
Index
in·dex
Definition/Meaning
(noun)
A list of items or topics, often with references or explanations.
e.g. The index at the back of the book helped me find the relevant chapters.
(noun)
an alphabetical list of books and other documents/literature that are cited in a written work or stocked in a library, typically arranged by author or subject;
e.g. I read through the index of the library's collection to see if they had the book I wanted.
(noun)
broadly, something that serves to measure or evaluate something or indicate some outcome;
e.g. The number of people at a restaurant can be an index of how good the food is.
(noun)
broadly, a number that serves to measure a property or phenomenon and give it a physical quantity that can be compared to a standard;
e.g. We have designed an index which we can use to analyze the results of our experiments.
(verb)
broadly, to create a record of people, things, or subjects, typically arranged alphabetically, or to provide a document with such a record;
e.g. She started to index the publications she had cited in her paper.
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