Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
classification system | Yes | No | No | No |
ABO system | Yes | No | No | No |
classification system (noun) | ABO system (noun) |
---|---|
a system for classifying things | a classification system for the antigens of human blood; used in blood transfusion therapy; four groups are A and B and AB and O |