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1. Dictionary

   In·dex

   /ˈinˌdeks/

   

   noun

   • 1. an alphabetical list of names, subjects, etc., with references to the places where they occur, typically found at the end of a book: "clear cross references supplemented by a thorough index"
   • ▪ an alphabetical list by title, subject, author, or other category of a collection of books or documents, e.g., in a library. Similar registerlistlistinginventorydirectoryguidekeycatalogtable 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. an indicator, 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 another 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: "data sets are indexed by subject"
   • 2. link the value of (prices, wages, or other payments) automatically to the value of a price index: "legislation indexing wages to prices"
   • 3. (of a machine or part of one) rotate or otherwise 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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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. dictionary.cambridge.org › dictionary › englishINDEX | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

   • Cached

   a system that measures the present value of something when compared to its previous value or a fixed standard: The house price index estimates the change in the value of the nation's housing stock. a bond / share / stock index. an index of sth The fund tracks an index of the UK's top 350 UK shares. plural indices.

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

   www.dictionary.com › browse › index

   • Cached

   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.

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

   dictionary.cambridge.org › dictionary › learner-english

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   INDEX definition: 1. an alphabetical list of subjects or names at the end of a book, showing on what page they are…. Learn more.

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

   www.dictionary.com › browse › index

   • Cached

   a reference table that contains the keys or references needed to address data items. the part of a search engine where website addresses are cataloged with their associated keywords in order to quickly retrieve the most relevant web pages when a user submits a search query. Also called fist, hand.

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

   www.thefreedictionary.com › index

   • Cached

   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.oxfordlearnersdictionaries.com › definition › englishindex noun - Definition, pictures, pronunciation and usage notes...

   www.oxfordlearnersdictionaries.com › definition › english

   • Cached

   /ˈɪndɪsiːz/ ) a system that shows the level of prices and wages, etc. so that they can be compared with those of a previous date. the cost-of-living index. The Dow Jones index fell 15 points this morning. stock-market indices. house price indexes.

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

   www.collinsdictionary.com › dictionary › english

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   2 days ago · 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.

10. www.yourdictionary.com › indexIndex Definition & Meaning | YourDictionary

    www.yourdictionary.com › index

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    Index definition: Something that serves to guide, point out, or otherwise facilitate reference, especially:. Dictionary Thesaurus

11. www.ldoceonline.com › dictionary › indexindex | meaning of index in Longman Dictionary of Contemporary...

    www.ldoceonline.com › dictionary › index

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    index meaning, definition, what is index: an alphabetical list of names, subjects ...: Learn more.