decimal system of classification

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decimal system of classification

The librarian organizes books using the decimal system of classification.

Definition
  1. Noun:
    • A library classification system: The decimal system of classification is a method used by libraries to organize non-fiction books and publications by subject. Each subject is assigned a unique numerical code.
    • A hierarchical numerical system: In this system, knowledge is divided into ten main classes, each denoted by a three-digit number (000-999). Further subdivisions within a class are indicated by adding digits after a decimal point, allowing for increasingly specific topics.
Usage
  • The decimal system of classification is primarily used to arrange physical books on library shelves in a logical, subject-based order. It is also used in library catalogs to assign a "call number" to each item, which patrons use to locate the material.
Examples
  • Noun:
    • Most public libraries in the United States use the decimal system of classification known as the Dewey Decimal System.
    • To find a book on physics, you must first understand its number within the library's decimal system of classification.
    • The librarian explained how the decimal system of classification helps keep books on similar topics together.
Advanced Usage
  • "to be shelved according to the decimal system of classification": This phrase describes the physical arrangement of library materials.
    • All nonfiction titles are shelved according to the decimal system of classification.
Variants and Related Words
  • Dewey Decimal Classification (DDC) (n): The most common and widely used implementation of a decimal system of classification, created by Melvil Dewey.
    • The Dewey Decimal Classification is a specific type of decimal system of classification.
  • Call number (n): The alphanumeric code based on the classification system that is placed on a book's spine.
    • The call number, derived from the decimal system of classification, is essential for locating the book.
Synonyms
  • Library classification system: A general term for any system used to categorize library materials.
  • Numerical classification: Highlights the use of numbers as the primary organizing principle.
Related Phrases
  • To classify by decimal number: The action of applying this system.
    • The new acquisitions must be classified by decimal number before they can be shelved.
decimal system of classification

The librarian organizes books using the decimal system of classification.

Noun
  1. a system used by libraries to classify nonfictional publications into subject categories; the subject is indicated by a three-digit numeral and further specification is given by numerals following a decimal point; publications are shelved by number

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