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1. Dictionary

   index

   /ˈɪndɛks/

   noun

   • 1. (in a book or set of books) an alphabetical list of names, subjects, etc. with reference to the pages on which they are mentioned: "clear cross references supplemented by a thorough index"
   • ▪ an alphabetical list by title, author, or other category of a collection of books or documents, for example in a library. Similar registerlistlistinginventorydirectoryguidekeycataloguetable of contents
   • ▪ short for Index Librorum Prohibitorum
   • ▪ a set of items each of which specifies one of the records of a file and contains information about its address.
   • 2. a sign or measure of something: "exam results may serve as an index of the teacher's effectiveness" Similar guidecluehintindicationindicatorleadsignsignalmarktokenevidencesymptomimplicationintimationsuggestion
   • ▪ a figure in a system or scale representing the average value of specified prices, shares, or other items as compared with some reference figure: "the hundred-shares index closed down 9.3"
   • ▪ a number giving the magnitude of a physical property or other measured phenomenon in terms of a standard: "the oral hygiene index was calculated as the sum of the debris and calculus indices"
   • 3. an exponent or other superscript or subscript number appended to a quantity.
   • 4. a pointer on an instrument, showing a quantity, a position on a scale, etc. Similar pointerindicatorneedlehandfingermarker
   • ▪ a symbol shaped like a pointing hand, used to draw attention to a note.

   verb

   • 1. record (names, subjects, etc.) in an index: "the list indexes theses under regional headings"
   • ▪ provide an index to: "she offered help in indexing my text book on bookselling"
   • 2. link the value of (prices, wages, or other payments) automatically to the value of a price index: "the Supreme Soviet passed legislation indexing wages to prices"
   • 3. (of a machine or part of one) move from one predetermined position to another in order to carry out a sequence of operations: "the pins are retracted and indexed to occupy an adjacent slotted position"

   Word Origin late Middle English: from Latin index, indic- ‘forefinger, informer, sign’, from in- ‘towards’ + a second element related to dicere ‘say’ or dicare ‘make known’; compare with indicate. The original sense ‘index finger’ (with which one points), came to mean ‘pointer’ (late 16th century), and figuratively something that serves to point to a fact or conclusion; hence a list of topics in a book (‘pointing’ to their location).

   Derivatives

   • 1. indexable adjective
   • 2. indexation noun
   • 3. indexer noun
   • 4. indexible adjective

   Scrabble Points: 13

   • I

     1

   • N

     1

   • D

     2

   • E

     1

   • X

     8

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   More definitions, origin and scrabble points

2. www.merriam-webster.com › dictionary › indexIndex Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › index

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   The meaning of INDEX is a list (as of bibliographical information or citations to a body of literature) arranged usually in alphabetical order of some specified datum (such as author, subject, or keyword). How to use index in a sentence.

3. www.dictionary.com › browse › indexINDEX Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › index

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   something used or serving to point out; a sign, token, or indication: a true index of his character. something that directs attention to some fact, condition, etc.; a guiding principle. a pointer or indicator in a scientific instrument. a piece of wood, metal, or the like, serving as a pointer or indicator. Digital Technology.

4. dictionary.cambridge.org › dictionary › englishINDEX | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   a system of numbers used for comparing values of things that change according to each other or a fixed standard: the FTSE 100 Index. the Dow Jones Index. a wage / price index. [ C usually singular ] something that shows how strong or common a condition or feeling is:

5. www.collinsdictionary.com › dictionary › englishINDEX definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   An index is a system by which changes in the value of something and the rate at which it changes can be recorded, measured, or interpreted. ...the U.K. retail price index. ...economic indices. 2. countable noun B2. An index is an alphabetical list that is printed at the back of a book and tells you on which pages important topics are referred to.

6. dictionary.cambridge.org › dictionary › learner-englishINDEX | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › dictionary › learner-english

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   index noun [C] (SYSTEM) a system for comparing different values and recording changes, especially in financial markets: the retail price index. index. verb [ T ] uk / ˈɪndeks / us. to make an index for text or information, or arrange it in an index.

7. www.thefreedictionary.com › indexIndex - definition of index by The Free Dictionary

   www.thefreedictionary.com › index

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   index - 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

8. www.investopedia.com › terms › iWhat Is an Index? Examples, How It's Used, and How to Invest - ...

   www.investopedia.com › terms › i

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   Apr 21, 2024 · An index measures the price performance of a basket of securities using a standardized metric and methodology. Indexes in financial markets are often used as...

9. www.investopedia.com › terms › iIndexing: Definition and Uses in Economics and Investing - ...

   www.investopedia.com › terms › i

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   May 29, 2023 · An index is a method to track the performance of a group of assets in a standardized way. Indexes typically measure the performance of a basket of securities intended...

10. en.wikipedia.org › wiki › Index_(statistics)Index (statistics) - Wikipedia

    en.wikipedia.org › wiki › Index_(statistics)

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    In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. [1] [2] Indexes – also known as composite indicators – summarize and rank specific observations. [2]

11. www.investopedia.com › terms › iIndexation: Meaning and Examples - Investopedia

    www.investopedia.com › terms › i

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    May 29, 2024 · Indexation is a system or technique used by organizations or governments to connect prices and asset values. It's accomplished by linking adjustments made to the value...