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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. 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.

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

   www.merriam-webster.com › dictionary › index

   • Cached

   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.

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

   www.investopedia.com › terms › i

   • Cached

   • What Is An Index?
   • Understanding Indexes
   • Index Investing
   • Index Examples
   • The Bottom Line

   A financial index produces a numeric score based on inputs such as a variety of asset prices. It can be used to track the performance of a group of assets in a standardized way. Indexes typically measure the performance of a basket of securities intended to replicate a certain area of the market. These could be constructed as a broad-based index th...

   See full list on investopedia.com

   Indexes are also created to measure other financial or economic data such as interest rates, inflation, or manufacturing output. Indexes often serve as benchmarks against which to evaluate the performance of a portfolio's returns. One popular investment strategy, known as indexing, is to try to replicate such an index in a passivemanner rather than...

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   Indexes are also often used as benchmarks against which to measure the performance of mutual funds and exchange-traded funds (ETFs). For instance, many mutual funds compare their returns to the return in the S&P 500 Index to give investors a sense of how much more or less the managers are earning on their money than they would make in an index fund...

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   The S&P 500 Index is one of the world's best-known market proxy indexes and one of the most commonly used benchmarks for the stock market. It includes 80% of the total stocks traded in the United States. Conversely, the Dow Jones Industrial Average is also well known, but represents stock values from just 30 of the nation's publicly traded companie...

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   Market indexesprovide a broad representation of how markets are performing. These indexes serve as benchmarks to gauge the movement and performance of market segments. Investors also use indexes as a basis for portfolio or passive index investing. In the U.S. such representative indexes include the large-cap S&P 500 and the technology-heavy Nasdaq ...

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

   www.dictionary.com › browse › index

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   noun. , plural in·dex·es, in·di·ces [in, -d, uh, -seez]. (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. a sequential arrangement of material ...

6. www.nerdwallet.com › article › investingWhat Is an Index and How to Invest in One - NerdWallet

   www.nerdwallet.com › article › investing

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   Mar 31, 2023 · What is an index? An index tracks the performance of a group of preselected investments, such as stocks. For example, the S&P 500 index tracks the performance of 500 of the...

   • Video Duration: 6 min

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

   www.thefreedictionary.com › index

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   in·dex. (ĭn′dĕks′) n. pl. in·dex·es or in·di·ces (-dĭ-sēz′) 1. Something that serves to guide, point out, or otherwise facilitate reference, especially: a. An alphabetized list of names, places, and subjects treated in a printed work, giving the page or pages on which each item is mentioned. b. A thumb index. c. A table, file, or catalog. d.

8. dictionary.cambridge.org › learner-english › indexINDEX | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › learner-english › index

   • 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.