Dewey Decimal Classification Definition

noun
A system used in libraries for organizing nonfiction publications into subject categories corresponding to three-digit numerals, with further specification expressed by numerals following a decimal point.
American Heritage
Synonyms:
  • decimal system of classification
  • Dewey decimal system

Origin of Dewey Decimal Classification

  • After Melvil Dewey

    From American Heritage Dictionary of the English Language, 5th Edition

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