Search:
Search Mode
Natural Language
Find single term
Find any term
Find exact phrase
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
astigmatism
coined (in form
astigmatic
) 1849 by the Rev. William Whewell (1794–1866), Eng. polymath, from Gk.
a-
"without" +
stigmatos
gen. of
stigma
"a mark, spot, puncture" (see
stick
(v.)).