classification system

Thesaurus

Noun

1.

classification system - a system for classifying things organization, arrangement, organisation, system - an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification" decimal system of classification, Dewey decimal classification, Dewey decimal system - 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 hierarchical classification system - a classification system where entries are arranged based on some hierarchical structure file system, filing system - a system of classifying into files (usually arranged alphabetically) pigeonholing, grouping - a system for classifying things into groups rating system, scoring system - a system of classifying according to quality or merit or amount ABO blood group system, ABO group, ABO system - a classification system for the antigens of human blood; used in blood transfusion therapy; four groups are A and B and AB and O