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
rotor (n.)
1873, irregular shortening of
rotator
(see
rotate
(v.)), originally in mathematics. Mechanical sense is attested from 1903; specifically of helicopters from 1930.
