Dewey decimal classification
Concise Oxford English Dictionary © 2008 Oxford University Press:
Dewey decimal classification/djuːiˈdesɪmlklasɪfɪkeɪʃn/
▶noun an internationally applied decimal system of library classification which uses a three-figure code from 000 to 999 to represent the major branches of knowledge, with finer classifications made by adding figures after a decimal point.
– origin C19: named after the American librarian Melvil Dewey.
'Dewey decimal classification' also found in these Oxford entries:
