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index

noun [C]
 
 
/ˈɪndeks/
( plural indices, indexes) FINANCE, ECONOMICS a system that measures the present value of something when compared to its previous value or a fixed standard: The house price index estimates the change in the value of the nation's housing stock. a bond/share/stock indexan index of sth The fund tracks an index of the UK's top 350 UK shares.
( plural indices) a sign or measure of something: an index of sth Unemployment levels provide a useful index of the state of the economy.
( plural indexes) an alphabetical list that shows you where information is found in a book, on a website, etc.: a searcheable index online indexes to articles and reports
( plural indexes) a collection of information that is stored in alphabetical order: I keep an index of all my clients' contact details.
→  See also All-Share index , All-Stock index , average earnings index , benchmark index , Brand Development Index , card index , consumer confidence index , consumer price index , cost of living index , diffusion index , the Dodge index , the Eurostoxx 50 (Index) , FTSE™ 100 , FTSE™ 250 , FTSE™ All-Share Index , FTSE Eurotop™ 100 Index , FTSE Fledgling Index , FTSE SmallCap Index , Goldman Sachs™ Commodity Index , the Hang Seng (Index) , industrial output index , industrial sentiment index , the IPOX 100 Index , misery index , Nikkei index , price index , producer price index , Purchasing Managers' index , retail price index , Russell 2000 index , share index , stock index , sustainability index , Target Group Index™ , Thirty-Share Index , All-Share index , weighted index , wholesale price index
(Definition of index noun from the Cambridge Business English Dictionary © Cambridge University Press)
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