Index - definition, pronunciation, transcription
noun
- a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time (syn: indicator)
- a mathematical notation indicating the number of times a quantity is multiplied by itself (syn: exponent, power)
- an alphabetical listing of names and topics along with page numbers where they are discussed
- the finger next to the thumb (syn: forefinger)
verb
- provide with an index
Extra examples
Look up the recipe for potato soup in the index.
Potato soup is listed under “soup” in the index.
The card catalog is an index to the materials in the library.
This search engine has indexed hundreds of millions of Web sites.
...indexed all the books in the library by category...
His son's empty guffaws struck him with pain as the indices of a weak mind.
All persons and places mentioned are carefully indexed.
The changing size of an infant's head is considered an index of brain growth.
The reports are indexed by subject and location.
The government indexes wages and prices
At the close of trade, the Dow Jones index was 1.92 points down.
The book's most glaring omission is the lack of an index.
A vocabulary index is included for easy reference.
He crooked his index finger
Word forms
I/you/we/they: index
he/she/it: indexes
present participle: indexing
past tense: indexed
past participle: indexed
singular: index
plural: indexes or indices
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