'type O' definitions:
Definition of '
type O
'
(from
WordNet
)
noun
The blood group whose red cells carry neither the A nor B antigens; "people with type O blood are universal donors" [syn:
O
, type O,
group O
]
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
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