Definition: Meaning of, Dewey decimal system, the in English to English dictionary.
Pronunciation:/ ˈdɛsɪm(ə)l ˈsɪstəm ðə;ðɪ;ðiː /
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also the Dewey Decimal Classification
a system used by libraries for putting books into groups according to their subject. General subjects (for example, sports) are given a number, and then particular parts of this subject (for example, the Olympics) are each given a more specific number using DECIMAL numbers. The system was invented by Melvil Dewey (1851-1931), a US LIBRARIAN .