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
ionosphere (n.)
[ionosphere 词源字典]
1926, from
ion
+
sphere
. Coined by Scottish radar pioneer Robert A. Watson-Watt (1892-1973). So called because it contains many ions.
[ionosphere etymology, ionosphere origin, 英语词源]
[ionosphere 词源字典]