Laxi Dictionary

American Dictionary

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Definition ABO system in American English

ABO system noun

[singular] noun
/ˌeɪ bi ˈoʊ ˌsɪstəm/
1

the system that divides human blood into four main groups, A, B, AB, and O

Synonyms and related words
A ABO system anticoagulant
Definition ABO system in American English