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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. Computers A list of keywords associated with a record or document, used especially as an aid in searching for information.
2. Something that reveals or indicates; a sign: "Her face ... was a fair index to her disposition" (Samuel Butler).
3. A character (☞) used in printing to call attention to a particular paragraph or section. Also called hand.
4. An indicator or pointer, as on a scientific instrument.
a. Mathematics A number or symbol, often written as a subscript or superscript to a mathematical expression, that indicates an operation to be performed, an ordering relation, or a use of the associated expression.
b. A number derived from a formula, used to characterize a set of data.
a. A statistical value that represents the price or value of an aggregate of goods, services, wages, or other measurable quantities in comparison with a reference number for a previous period of time.
b. A number that represents the change in price or value of stocks or other securities in a particular market, sector, or asset class.
c. The stocks or other securities represented by an index.
7. Index Roman Catholic Church A list formerly published by Church authority, restricting or forbidding the reading of certain books.
tr.v. in·dexed, in·dex·ing, in·dex·es
a. To furnish with an index: index a book.
b. To enter in an index.
2. To indicate or signal.
3. To adjust through indexation.

[Middle English, forefinger, from Latin; see deik- in Indo-European roots.]

in′dex′er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.indexer - someone who provides an index
skilled worker, skilled workman, trained worker - a worker who has acquired special skills
References in periodicals archive ?
The all-digital control will run most other brands of brush or brushless motor indexers.
Professional indexers skilled in creating indexes for FrameMaker documents and other desktop publishing files, she argues, deserve higher rates than clients generally pay for indexes created with standalone indexing software.
the assignment of keywords and indexing terms by indexers or database producers rather than the authors of the material.
The Accidental Indexer" offers an informed and informative overview of the field, describes a range of specialties, insights from professional indexers, and a wealth of savvy advice on starting and running a freelance indexing business.
Product groups for thermoplastics, thermosets and elastomers featured in the brochure include capillary rheometers, elastomer testers, melt indexers, elongational rheometers, extrusion equipment and on-line testing techniques.
DuPont also used early melt indexers manufactured by Swiss Slocomb in its LDPE work.
In this thorough and objective review of the software products used in indexing, professional indexers share their favorite features, tips, and techniques.
His workshops at the annual conference of the American Society of Indexers play to standing room only, and he is well known as an informative and energetic presenter.
Various other rheometers and indexers are described in the literature.
Tsudakoma NC rotary tables and indexers are available in horizontal, vertical, and tilting styles from 4" to 80" size range.