blood type noun
plural blood types
plural blood types
Learner's definition of BLOOD TYPE
[count] chiefly US
: one of the eight different blood categories into which humans are separated血型 ◊ These categories of blood are labeled A, B, AB, or O and each of these is either Rh-positive or Rh-negative.血型分为A型、B型、AB型和O型，每一种血型又分为Rh阳性和Rh阴性。
— called also blood group