Dewey Decimal System

/ (ˈdjuːɪ) /

noun

a frequently used system of library book classification and arrangement with ten main subject classes Also called: decimal classification Abbreviation: DDS

Word Origin for Dewey Decimal System

C19: named after Melvil Dewey (1851–1931), US educator who invented the system

Cultural definitions for dewey decimal system

Dewey decimal system

A system used in libraries for the classification of books and other publications. It uses the numbers 000 to 999 to cover the general fields of knowledge and subdivides each field by the use of decimals and letters. Named after its inventor, Melvil Dewey.