noun

index

index, indicator, list

Look up the term in the book's index.

Look up the term in the book's index.

The consumer price index rose last month.

The consumer price index rose last month.

Your index finger is next to your thumb.

Your index finger is next to your thumb.

((in a book)) the index of a book The index is at the back of the book.

((economic indicator)) an economic index The stock market index is a key economic indicator.

Synonyms: list, guide, directory

From Latin 'index', meaning 'one who points out, an indicator'.

Your 'index finger' is used to 'indicate' or point at things. An 'index' in a book points you to the right page.

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