English version

Dewey decimal system, the

From Longman Dictionary of Contemporary EnglishDewey decimal system, thethe Dewey decimal systemDew‧ey dec‧i‧mal sys‧tem, the /ˌdjuːi ˈdesɪməl ˌsɪstɪm $ ˌduːi-/ (also the Dewey Decimal Classification)  a system used by libraries for putting books into groups according to their subject. General subjects for example, English literature) are given a number, and then particular parts of this subject (for example, Jane austen's novels) are each given a more specific number using decimal numbers. The system was invented by Melvil Dewey (1851–1931), a US librarian.
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