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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.britannica.com › dictionary › indexIndex Definition & Meaning | Britannica Dictionary

   www.britannica.com › dictionary › index

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   : a sign or number that shows how something is changing or performing. The price of goods is an index [= indication] of business conditions. : a number that indicates changes in the level of something (such as a stock market) when it rises or falls. a stock index. certain economic indexes/indices.

3. dictionary.cambridge.org › us › dictionaryindex | definition in the Cambridge Learner’s Dictionary

   dictionary.cambridge.org › us › dictionary

   • Cached

   a collection of information stored on a computer or on cards in alphabetical order. 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.

4. www.collinsdictionary.com › us › dictionaryINDEX definition in American English | Collins English Dictionary

   www.collinsdictionary.com › us › dictionary

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   1 day ago · 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. There's even a special subject index. If you index a book or a collection of information, you make an alphabetical list of the items in it.

5. www.dictionary.com › browse › index&Index Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › index&

   • Cached

   Index definition, (in a nonfiction book, monograph, etc.) a more or less detailed alphabetical listing of names, places, and topics along with the numbers of the pages on which they are mentioned or discussed, usually included in or constituting the back matter. See more.

6. www.spglobal.com › index-literacy › what-is-an-indexWhat is an Index? | S&P Dow Jones Indices - S&P Global

   www.spglobal.com › index-literacy › what-is-an-index

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   An index is a group or basket of securities, derivatives, or other financial instruments that represents and measures the performance of a specific market, asset class, market sector, or investment strategy. In other words, an index is a statistically representative sampling of any set of observable securities in a given market segment.

7. www.oxfordlearnersdictionaries.com › definition › englishindex verb - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › definition › english

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   Definition of index verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

8. www.ishares.com › us › insightsAll about index investing | iShares – BlackRock

   www.ishares.com › us › insights

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   Jul 31, 2023 · An index is designed to represent and measure the performance of a specific market, asset class, sector, or investment strategy. The S&P 500 ® Index, for example, tracks 500 of the largest U.S. stocks by market capitalization. Indexes are used in both index and active investing. INDEXES COME IN ALL SHAPES AND SIZES.