dewey decimal system

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 (synset 105735372)
    is a type of: classification system - a system for classifying things
    same as: decimal system of classification, dewey decimal classification

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