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English definition of “index”

index

noun [C]
 
 
/ˈɪndeks/
LIST (plural indexes) an alphabetical list of subjects or names at the end of a book, showing on what page they are found in the text: Look up 'heart disease' in the index.Books and parts of booksLists and cataloguesSchedules and agendas
INFORMATION (plural indexes) a collection of information stored on a computer or on cards in alphabetical orderComputer concepts
SYSTEM (plural indices, indexes) a system for comparing different values and recording changes, especially in financial markets: the retail price indexNumerical relationships
(Definition of index noun from the Cambridge Learners Dictionary © Cambridge University Press)
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