Dictionary

ABO blood group

noun \ˌā-(ˌ)bē-ˈō-\

Definition of ABO BLOOD GROUP

:  any of the four blood groups A, B, AB, and O comprising the ABO system

First Known Use of ABO BLOOD GROUP

1949

ABO blood group

noun \ˌā-(ˌ)bē-ˈō-\   (Medical Dictionary)

Medical Definition of ABO BLOOD GROUP

:  one of the four blood groups A, B, AB, or O comprising the ABO system

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