noun · academic
index
UK/ˈɪndeks/US/ˈɪndɛks/IN·dex
Band 5-6task1task2speaking
a sign, number, or list used to measure, show, or find something (e.g., price index or book index)
Examples
“The consumer price index rose by 2% last year.”
“Look up 'biodiversity' in the index at the back of the book.”
“Analysts use the index as an indicator of economic health.”
Band 8 sentence
“The central bank monitors a range of indices to guide its monetary policy decisions.”
Collocations
- price index
- index of / index to
- consumer index
Word family
index noun / verbindexes verbindices noun (plural formal)
Common mistakes
the index have→the index has
several indexes→several indexes
index of prices→price index
Say it for a higher band
5list→6table→7+index
Synonyms
indicator
Easily confused
indicator
“Unemployment is often used as an economic indicator.”
Related words
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In Sublist 9
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