WordReference Random House Unabridged Dictionary of American English © 2026
Dew′ey dec′imal classifica′tion, [Trademark.]
- Library Science, Trademarksa system of classifying books and other works into ten main classes of knowledge with further subdivision in these classes by use of the numbers of a decimal system: devised by Melvil Dewey, published in 1876, and used in many libraries in the U.S. and elsewhere.
- 1880–85
'Dewey decimal classification' also found in these entries (note: many are not synonyms or translations):