optical 音标拼音: ['ɑptɪkəl]
a . 视觉的,眼睛的;光学的
视觉的,眼睛的;光学的
optical 光扫描器
optical 光 光学
optical adj 1 :
of or relating to or involving light or optics ; "
optical supplies "
2 :
relating to or using sight ; "
ocular inspection "; "
an optical illusion "; "
visual powers "; "
visual navigation " [
synonym :
{
ocular }, {
optic }, {
optical }, {
visual }]
3 :
of or relating to or resembling the eye ; "
ocular muscles ";
"
an ocular organ "; "
ocular diseases "; "
the optic (
or optical )
axis of the eye "; "
an ocular spot is a pigmented organ or part believed to be sensitive to light " [
synonym : {
ocular },
{
optic }, {
optical }, {
opthalmic }]
Optic \
Op "
tic \ ([
o ^]
p "
t [
i ^]
k ),
Optical \
Op "
tic *
al \
([
o ^]
p "
t [
i ^]*
kal ),
a . [
F .
optique ,
Gr . '
optiko `
s ;
akin to '
o `
psis sight , '
o `
pwpa I have seen , '
o `
psomai I shall see ,
and to '
o `
sse the two eyes , '
o `
ps face ,
L .
oculus eye .
See {
Ocular }, {
Eye },
and cf . {
Canopy }, {
Ophthalmia }.]
1 .
Of ,
pertaining to ,
or using vision or sight ;
as ,
optical illusions . [
WordNet sense 2 ]
Syn :
ocular ,
optic ,
visual .
[
1913 Webster WordNet 1 .
5 ]
The moon ,
whose orb Through optic glass the Tuscan artist views .
--
Milton .
[
1913 Webster ]
2 .
Of or pertaining to the eye ;
ocular ;
as ,
the optic nerves (
the first pair of cranial nerves )
which are distributed to the retina ;
the optic (
or optical )
axis of the eye .
See Illust .
of {
Brain },
and {
Eye }. [
WordNet sense 3 ]
[
1913 Webster ]
3 .
Relating to the science of optics or to devices designed to assist vision ;
as ,
optical works ;
optical equipment .
[
WordNet sense 1 ]
[
1913 Webster PJC ]
{
Optic angle } (
Opt .),
the angle included between the optic axes of the two eyes when directed to the same point ; --
sometimes called {
binocular parallax }.
{
Optic axis }. (
Opt .)
(
a )
A line drawn through the center of the eye perpendicular to its anterior and posterior surfaces .
In a normal eye it is in the direction of the optic axis that objects are most distinctly seen .
(
b )
The line in a doubly refracting crystal ,
in the direction of which no double refraction occurs .
A uniaxial crystal has one such line ,
a biaxial crystal has two .
{
Optical circle } (
Opt .),
a graduated circle used for the measurement of angles in optical experiments .
{
Optical square },
a surveyor '
s instrument with reflectors for laying off right angles .
[
1913 Webster ]
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