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abaci
aback
abacus
abada
Abadan
Abaddon
abafana
abaft
Abakan
ABAKO
abalone
abampere
abandon
abandoned
abandonment option
abandonment value
abase
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AB (2)

AB


noun 
Definition:
 
human blood type: a human blood type of the ABO system, containing the A and B antigens. Somebody with this type of blood can donate to people of the same group and receive blood from people with this type or with type O, A, or B.

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