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Dewey Decimal System

a frequently used system of library book classification and arrangement with ten main subject classes Also called decimal classification, DDS
Word Origin
C19: named after Melvil Dewey (1851–1931), US educator who invented the system
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Contemporary definitions for dewey decimal system

a system of classifying library materials with numerals and decimals

Word Origin

for Melvil Dewey, US librarian's 21st Century Lexicon
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Word Origin and History for dewey decimal system

Dewey Decimal system

proposed 1876 by Melvil Dewey (1851-1931) while acting librarian of Amherst College. He also crusaded for simplified spelling and the metric system.

Online Etymology Dictionary, © 2010 Douglas Harper
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dewey decimal system in Culture

Dewey decimal system definition

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.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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