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
approximation (n.)
[approximation 词源字典]
early 15c., "act of coming near or close," noun of action from
approximate
(v.). Meaning "result of approximating" is from 1650s.
[approximation etymology, approximation origin, 英语词源]
[approximation 词源字典]