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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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2. People also ask

   What does index mean?

   • INDEX definition: 1. an alphabetical list, such as one printed at the back of a book showing which page a subject…. Learn more.

   INDEX | English meaning - Cambridge Dictionary

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   What does index mean in a sentence?

   • Get Word of the Day daily email! 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.

   Index Definition & Meaning - Merriam-Webster

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   What is a stock index?

   • An index is a grouping of the combined values of stocks or securities that is used to track changes over time. The Dow Jones Industrial Average is the best known US index of stocks. The gauge is designed to predict future growth, so a jump in the index means the economy will likely continue to expand in the coming months.

   INDEX definition and meaning | Collins English Dictionary

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   What is an index in a book?

   • 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. Painters and sculptors are indexed separately. [VERB-ed]

   INDEX definition and meaning | Collins English Dictionary

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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.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.

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

   www.dictionary.com › browse › index

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   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.

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

   www.collinsdictionary.com › dictionary › english

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   An index is a grouping of the combined values of stocks or securities that is used to track changes over time.

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

   dictionary.cambridge.org › learner-english › index

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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.

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

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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

9. www.oxfordlearnersdictionaries.com › definitionindex noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › definition

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   a number giving a measurement of something compared with a particular standard. White bread has a high glycaemic index. pain management index scores. see also air quality index, body mass index, glycaemic index, heat index, refractive index. (plural indices. /ˈɪndɪsiːz/ )