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
spectral (adj.)
1718, "capable of seeing spectres;" 1815, "ghostly;" from
spectre
+
-al
(1). Meaning "pertaining to a spectrum" is 1832, from stem of
spectrum
+
-al
(1). Related:
Spectrally
.