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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.indexer - someone who provides an index
skilled worker, skilled workman, trained worker - a worker who has acquired special skills
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
An automated production system that requires several indexers to complete all the editorial processes on a single article has also assisted the improved throughput.
Wheatley, "One of the last things the genuine indexer thinks of is to make his work amusing," in the excerpts to 57 indexes to nonfiction, 14 indexes to novels or verse, and 17 authors' portrayals of indexers in fiction, Bell presents her reader not with examples to emulate, but with the curiosities and entertainments that occur when principles are not followed.
Rather, the Internet has enabled virtually anyone with access to a computer to become intimately involved with the entire information cycle, namely, publishing, acquiring, organizing, and retrieving information, thereby bypassing information intermediaries such as indexers, reference librarians, and publishers.
I bought my copy for [pounds sterling]50 when I attended the Society of Indexers annual conference in Sheffield, UK, last summer; at that time, [pounds sterling]50 was approximately equivalent to $63.00 USD.
"Indexers" are controlled and cautious and always make a list.
When the database indexers complete the editing and indexing of a GeoRef In Process record, the record then appears in the next GeoRef monthly update.
"Sir, my AOA indexers aren't working and they worked when I took off."
The BA Intellidrive Series compact indexers are intended to provide low-cost control for many simple positioning applications.
Melt flow indexers, or melt indexers, are used to determine the melt flow rate (MFR) of virgin and compounded thermoplastic resins and to evaluate incoming material and finished products.
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.
Human indexers and searchers must also shape representations or mental models of the images if the indexer is to produce a functional index.
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.