quword
趣词
Word Origins Dictionary
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
o
interjection of fear, surprise, admiration, etc.; see
oh
.
O
blood type, 1926, originally "zero," denoting absence of A and B agglutinogens.