descriptor

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descriptor

A librarian uses a descriptor to find a book in the catalog.

Definition
  1. Noun:
    • A piece of stored information used to identify an item: In information storage and retrieval systems, a "descriptor" is a specific piece of data, like a keyword or code, that helps locate, categorize, or identify a particular item within a database or collection.
    • The sound or appearance of a word: In linguistics, a "descriptor" refers to the phonological (sound) or orthographic (written/spelling) form of a word that can be used to describe or identify it.
    • A representation of word forms: In morphology, a "descriptor" can represent the inflected forms of a word, often shown as a base stem combined with a list of possible inflections (like -s, -ed, -ing).
Usage Examples
  • Noun:
    • The librarian added a new subject descriptor to the book's record to make it easier to find.
    • In this dictionary, the phonetic descriptor for the word is provided in brackets.
    • The linguistic software uses a stem and inflection descriptor to generate all forms of the verb.
Advanced Usage
  • In database management: A descriptor is often a controlled vocabulary term used for indexing and searching.
    • Each image in the archive is tagged with multiple descriptors for accurate retrieval.
  • In computational linguistics: Descriptors are used to model the morphological behavior of words.
    • The system's lexicon contains a descriptor for each lemma, detailing its part of speech and inflectional patterns.
Variants and Related Words
  • Describe (verb): To give an account in words.
  • Description (noun): A spoken or written representation.
  • Descriptive (adjective): Serving or seeking to describe.
Synonyms
  • Identifier: Something that identifies.
  • Label: A classifying phrase or name applied to a person or thing.
  • Tag: A label attached to someone or something for identification or to give other information.
Related Phrases
  • Index term: A term used in a document retrieval system to indicate the content of a document.
    • "Metadata" often includes various descriptors or index terms.
  • Search term: A word or phrase entered into a search engine to find information.
    • Your search descriptor was too broad, yielding millions of results.
Related Idioms

(This word is technical and does not commonly appear in idiomatic expressions.)

descriptor

A librarian uses a descriptor to find a book in the catalog.

Noun
  1. a piece of stored information that is used to identify an item in an information storage and retrieval system
  2. the phonological or orthographic sound or appearance of a word that can be used to describe or identify something
    • the inflected forms of a word can be represented by a stem and a list of inflections to be attached

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