AskDefine | Define index

Dictionary Definition

index

Noun

1 a numerical scale used to compare variables with one another or with some reference number
2 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 [syn: index number, indicant, indicator]
3 a mathematical notation indicating the number of times a quantity is multiplied by itself [syn: exponent, power]
4 an alphabetical listing of names and topics along with page numbers where they are discussed
5 the finger next to the thumb [syn: index finger, forefinger]

Verb

1 list in an index
2 provide with an index; "index the book"
3 adjust through indexation; "The government indexes wages and prices" [also: indices (pl)]

User Contributed Dictionary

see Index

English

Etymology

From index.

Noun

  1. An alphabetical listing of items and their location; for example, the index of a book lists words or expressions and the pages of the book upon which they are to be found.
  2. A type of noun where the meaning of the form changes with respect to the context. E.g., 'Today's newspaper' is an indexical form since its referent will differ depending on the context. See also icon and symbol.
  3. The index finger, the forefinger.
  4. A positive or non-negative integer indicating the location of data within a vector or vector based multidimensional array.
  5. A key indicating the location of data or an object, e.g. within a database table, associative array, or hash table.
  6. a single number calculated from an array of prices or of quantities.

Synonyms

Translations

alphabetical list
index finger
location of data within a vector
location of data within an object
single number calculated from an array of prices or of quantities

Verb

  1. To arrange an index for something, especially a long text.

Translations

to arrange an index

Czech

Pronunciation

Noun

  1. index

French

Etymology

From index "pointer, indicator"

Noun

  1. Index
  2. forefinger
  3. The welcome page of a Web site, typically index.html, index.htm or index.php

Latin

Extensive Definition

An index is a system used to make finding information easier.
Index may also refer to:
  • Index (publishing), a detailed list, usually arranged alphabetically, of the specific information in a publication
  • Index cards in a rolodex or old library card catalog, early and mid 20th century technologies for maintaining such lists
  • Index (mathematics), for various meanings of the word in mathematics
  • Index (economics), a single number calculated from an array of prices and quantities.
  • Index, Washington, a town in Snohomish County, Washington, United States
  • Index, New York, a hamlet in the County and Town of Otsego, New York, United States
  • Index (typography), a largely obsolete punctuation mark
  • Indexing (motion), a kind of motion in many areas of mechanical engineering and machining
In publications:
In computers and information retrieval:
Other:
  • The Index, an item on the Halo (megastructure) in the Halo series of video games
  • The Index (Dubai), a tower under construction in Dubai
  • Index (retailer), a defunct UK catalogue retailer formerly owned by the Littlewoods group and known as Littlewoods Index
  • Index finger, the second digit of a human hand
  • Index fund, a collective investment scheme
  • Indexicality, in linguistics, the variation of meaning of an utterance according to certain features of the context in which it is uttered
index in Czech: Index
index in German: Index
index in Esperanto: Indekso
index in French: Index
index in Ido: Indico
index in Italian: Index
index in Hebrew: אינדקס
index in Hungarian: Index
index in Dutch: Index
index in Japanese: インデックス
index in Russian: Индекс
index in Ukrainian: Індекс
index in Albanian: Treguesi
index in Simple English: Index
index in Swedish: Index
index in Finnish: Indeksi

Synonyms, Antonyms and Related Words

Art Index, Baedeker, Bibliography Index, Books in Print, Cumulative Book Index, Education Index, Eighteenth Amendment, Lambert conformal projection, Mercator projection, Miller projection, National Union Catalog, Prohibition Party, Volstead Act, Yellow Pages, acknowledgments, aeronautical chart, alphabetize, analyze, annotated bibliography, annual bibliography, annulary, aroma, arrange, arrow, assort, astronomical chart, atlas, attribute, azimuthal equidistant projection, azimuthal projection, back, back matter, backlist, badge, ban, banner, bastard title, bibliography, bibliography of bibliographies, blaze, book, brand, break down, broad hint, business directory, cachet, calendar, card index, cartographer, cartography, carve, casebook, cast, catalog, catalogue, catalogue raisonne, catch line, catchword, categorize, celestial chart, celestial globe, census, chalk, chalk up, character, characteristic, chart, check in, checklist, chorographer, chorography, chronicle, city directory, class, classified catalog, classified directory, classify, climatic chart, clue, code, codify, colophon, compass needle, composition, concordance, configuration, conic projection, constituents, content, contents, contents page, contour line, contour map, contraband, copyright page, critical bibliography, cue, cut, cyclopedia, cylindrical projection, dactylion, dedication, denial, device, diatesseron, dictionary catalog, differentia, differential, digest, digit, direction, direction post, directory, disallowance, distinctive feature, divide, divisions, docket, earmark, elements, embargo, encyclopedia, endleaf, endpaper, endsheet, engrave, enroll, enscroll, enter, enumerate, errata, evidence, exclusion, factor, feature, figure, figures, file, fill out, finding list, finger, finger post, fist, flavor, flyleaf, folio, forbiddance, forbidden fruit, forbidding, fore edge, forefinger, foreword, formula, front matter, gazetteer, general reference map, gentle hint, gesture, glimmer, glimmering, globe, gnomonic projection, grade, graphic scale, grave, grid line, group, guide, guideboard, guidebook, guidepost, gust, guts, hachure, half-title page, hallmark, hand, handbook, handlist, harmony, head, heliographic chart, hint, hour hand, hydrographic chart, idiocrasy, idiosyncrasy, image, impanel, implication, impress, impression, imprint, incise, index expurgatorius, index finger, index librorum prohibitorum, indexes, indicant, indication, indicator, indices, individualism, ingredients, inhibition, injunction, inkling, innards, innuendo, inscribe, inscription, insert, insides, insignia, insinuation, interdict, interdiction, interdictum, intimation, introduction, inventory, isoline, itemize, items, itinerary, jot down, keep score, key, keynote, kick, latitude, law, layer tint, lead, leaf, legend, lineaments, list, listing, little finger, log, longitude, look, lubber line, make a memorandum, make a note, make an entry, make out, makeup, mannerism, map, map maker, map projection, mapper, mark, mark down, marker, marking, matriculate, measure, medius, meridian, middle finger, milepost, minimus, minute, minute hand, mold, nature, needle, no-no, nod, note, note down, nudge, odor, order, page, parallel, part, particularity, parts, peculiarity, periodical index, phone book, photogrammetrist, photogrammetry, photomap, phototopography, physical map, picture, pigeonhole, pinkie, place, place upon record, pointer, political map, poll, pollex, polyconic projection, polyglot, post, post up, preclusion, preface, preliminaries, prevention, program, prohibition, prohibitory injunction, projection, prompt, property, proscription, put down, put in writing, put on paper, put on tape, quality, quirk, range, rank, rate, ratio, record, record book, recto, reduce to writing, reference book, refusal, register, rejection, relief map, representation, representative, representative fraction, repression, restrictive covenants, reverso, ring finger, road map, roadbook, ruling out, running title, savor, scale, scent, schedule, score, seal, set down, shape, sigil, sign, signal, signature, signboard, significant, signpost, singularity, sinusoidal projection, smack, sort, source book, special map, specialty, spoor, stamp, statistics, statute, studbook, subdivide, subtitle, suggestion, sumptuary laws, suppression, sure sign, suspicion, symptom, table, table of contents, table of organization, taboo, tabulate, tail, taint, take down, tally, tang, tape, tape-record, taste, telephone book, telephone directory, telltale, telltale sign, terrain map, terrestrial globe, text, thematic map, thesaurus, thumb, thumb index, title, title page, token, topographer, topographic chart, topography, track, trait, transportation map, trick, trim size, type, type page, verso, videotape, vital statistics, weather chart, weather map, whisper, whole, wink, work of reference, write, write down, write in, write out, write up, zoning, zoning laws
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