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English definition of “index”

index

verb [T, usually passive]     /ˈɪndeks/
FINANCE to connect the value of a price or payment to the value of something else such as the rate of inflation: be indexed to sth The pension is indexed to earnings. The unions are demanding wage rises indexed to prices.
to provide a book or website with an index: All content held in the site is fully indexed.
(Definition of index verb from the Cambridge Business English Dictionary © Cambridge University Press)
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