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
camera lucida
"An instrument in which rays of light are reflected by a prism to produce an image on a sheet of paper, from which a drawing can be made", Mid 18th century: from Latin, 'bright chamber', on the pattern of
camera obscura
.