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
tetracycline (n.)
[tetracycline 词源字典]
1952, with chemical suffix
-ine
(2) +
tetracyclic
"containing four fused hydrocarbon rings," from
tetra-
+
cyclic
(see
cycle
(n.)).
[tetracycline etymology, tetracycline origin, 英语词源]
[tetracycline 词源字典]