What does Dewey decimal system mean?
• DEWEY DECIMAL SYSTEM (noun) The noun DEWEY DECIMAL SYSTEM has 1 sense: 1. a system used by libraries to classify nonfictional publications into subject categories; the subject is indicated by a three-digit numeral and further specification is given by numerals following a decimal point; publications are shelved by number Familiarity information: DEWEY DECIMAL SYSTEM used as a noun is very rare.