Search:
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
atto-
word-forming element meaning "one quintillionth," 1962, from Danish
atten
"eighteen" (a quintillion is 10 to the 18th power), related to Old English
eahtatene
(see
eighteen
).
