Index
Periodical or database
An index is a guide for locating information—the alphabetical list at the back of a book pointing to page numbers, or a database structure enabling quick searches.
Index extends to anything that indicates or measures: the consumer price index, a stock market index.
In math, an index is an exponent.
The plural is indexes for books and databases, indices in technical contexts.
To index is to create such a guide or to adjust values based on an index: wages indexed to inflation.
Hand's grasping extension
- handGrasping body part
- dialGraduated circular indicator
- needlePointed implement for sewing
- cursorOn-screen position indicator
arrow · gnomon · sundial · gauge · meter · pointing · gesture · digit
Lock-opening device
- fieldArea of specialty
- recordPreserved account or achievement
- queryRequest for information
- searchAct of seeking
table · column · hash · B-tree · clustered · optimized · retrieval · lookup
List of chapters and pages
- appendixSupplementary section after main text
- glossaryAlphabetical list with definitions
- bibliographyList of cited works
- catalogOrdered list of items
directory · citation · cross-reference · page number · alphabetical · lookup · entry · listing
Standard of measurement
- benchmarkStandard for comparison
- gaugeStandard of measurement
- ratioComparative numerical relation
- scaleMeasure of relative size
composite · tracker · barometer · measure · baseline · percentile · ranking · score
Superscript showing power
- powerEnergy transfer rate
- subscriptText below the line
- superscriptRaised typographical character
- notationSystem of written symbols
variable · logarithm · base · coefficient · polynomial · array · tensor · summation
Officially disallowed
- forbiddenNot allowed
- prohibitedOfficially not permitted
- blacklistRecord of prohibited entities
- VaticanPapal city-state
expurgated · suppressed · restricted · catalog · condemned · heretical · bowdlerized · redacted
finger
Hand's grasping extension
cursor · arrow · gnomon · sundial · gauge · meter · pointing · gesture · digit · forefinger
key
Lock-opening device
search · table · column · hash · B-tree · clustered · optimized · retrieval · lookup · schema
table of contents
List of chapters and pages
- appendixSupplementary section after main text
- glossaryAlphabetical list with definitions
- bibliographyList of cited works
catalog · directory · citation · cross-reference · page number · alphabetical · lookup · entry · listing · guide
metric
Standard of measurement
scale · composite · tracker · barometer · measure · baseline · percentile · ranking · score · rating
exponent
Superscript showing power
- powerEnergy transfer rate
- subscriptText below the line
- superscriptRaised typographical character
notation · variable · logarithm · base · coefficient · polynomial · array · tensor · summation · factorial
banned
Officially disallowed
- forbiddenNot allowed
- prohibitedOfficially not permitted
- blacklistRecord of prohibited entities
Vatican · expurgated · suppressed · restricted · catalog · condemned · heretical · bowdlerized · redacted · proscribed
stock market
Securities trading venue
FTSE · Nikkei · portfolio · fund · ETF · securities · trading · equities · capitalization · performance
Indexbody
Physical structure, living thing
stream of consciousness · raw data · absolute value · content · narrative
- index fingerSecond digit, first to point
- index cardsSmall rigid note slips
- economic indicatorsData measuring financial health
- heat indexPerceived temperature calculation
- UV indexSolar intensity measurement
- index fundsSecurities mirroring market indices
indexes, indices, indexed, indexing, indexer, indexers, indexation, indicate, indicates