index

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Index is part of the Academic Word List. It is important for students in college and university.

Pronunciation[change]

Noun[change]

Singular
index

Plural
indexes or indices

  1. (countable) An index an alphabetical (A to Z) list, usually at the back of a book, where you can find the pages in a book that talk about particular things or words.
    Look in the index to see where they talk about Chomsky.
  2. (countable) An index shows the level of prices, wages, etc. so you can compare them with those of an earlier date.
    On Wall Street, the Dow Jones index closed 10 points up at 2,731.23.

Synonyms[change]

See also[change]

Verb[change]

Plain form
index

Third-person singular
indexes

Past tense
indexed

Past participle
indexed

Present participle
indexing

  1. (transitive) If you index something, you make an index for it.
  2. (transitive) If you index something to a certain price level, you make it go up or down with that level.