The meaning of INDEX is a list (as of bibliographical information or citations to a body of literature) arranged usually in alphabetical order of some specified datum (such as author, subject, or …

Index definition: (in a nonfiction book, monograph, etc.) a more or less detailed alphabetical listing of names, places, and topics along with the numbers of the pages on which they are …

INDEX definition: 1. an alphabetical list, such as one printed at the back of a book showing which page a subject…. Learn more.

Definition of index noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

May 18, 2025 · An index measures the performance of a basket of securities intended to replicate a certain area of the market such as the Standard & Poor's 500.

In mathematics, indices are the little numbers that show how many times you must multiply a number by itself. In the equation 3² = 9, the number 2 is an index.

Jul 26, 2025 · "Index" refers to an organized system for listing or measuring information. Its diverse applications make it an indispensable tool in literature, economics, and technology.