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
xanthine
"A crystalline compound found in blood and urine which is an intermediate in the metabolic breakdown of nucleic acids to uric acid", Mid 19th century: from
xanthic
+
-ine
4
.