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Noun blood group has 1 sense
- blood group, blood type - people whose blood (usually just the red blood cells) has the same antigens
--1 is a kind of people
--1 has particulars:
| ||A, type A, group A; B, type B, group B; AB, type AB, group AB; O, type O, group O; Rh-positive blood type, Rh positive; Rh-negative blood type, Rh-negative blood, Rh negative|