aperture 音標拼音: ['æpɚtʃɚ]
n . 孔,穴,縫隙,光圈,孔徑
孔,穴,縫隙,光圈,孔徑
aperture 小孔
aperture 孔徑; 口徑
aperture 孔徑 口徑
aperture n 1 :
a device that controls amount of light admitted 2 :
a natural opening in something 3 :
an man -
made opening ;
usually small Aperture \
Ap "
er *
ture \ (?;
135 ),
n . [
L .
apertura ,
fr .
aperire .
See {
Aperient }.]
1 .
The act of opening . [
Obs .]
[
1913 Webster ]
2 .
An opening ;
an open space ;
a gap ,
cleft ,
or chasm ;
a passage perforated ;
a hole ;
as ,
an aperture in a wall .
[
1913 Webster ]
An aperture between the mountains . --
Gilpin .
[
1913 Webster ]
The back aperture of the nostrils . --
Owen .
[
1913 Webster ]
3 . (
Opt .)
The diameter of the exposed part of the object glass of a telescope or other optical instrument ;
as ,
a telescope of four -
inch aperture .
[
1913 Webster ]
Note :
The aperture of microscopes is often expressed in degrees ,
called also the angular aperture ,
which signifies the angular breadth of the pencil of light which the instrument transmits from the object or point viewed ;
as ,
a microscope of 100 [
deg ]
aperture .
[
1913 Webster ]
89 Moby Thesaurus words for "
aperture ":
access ,
aisle ,
alley ,
ambulatory ,
arcade ,
artery ,
avenue ,
bore ,
breach ,
break ,
broaching ,
cavity ,
channel ,
chasm ,
check ,
chink ,
clearing ,
cleft ,
cloister ,
colonnade ,
communication ,
conduit ,
connection ,
corridor ,
covered way ,
crack ,
crevice ,
cut ,
defile ,
disclosure ,
discontinuity ,
exit ,
fenestra ,
ferry ,
fissure ,
fistula ,
fontanel ,
foramen ,
ford ,
gallery ,
gap ,
gape ,
gash ,
gat ,
gulf ,
hiatus ,
hole ,
hollow ,
inlet ,
interchange ,
intersection ,
interstice ,
interval ,
junction ,
lacuna ,
lane ,
laying open ,
leak ,
opening ,
opening up ,
orifice ,
outlet ,
overpass ,
pass ,
passage ,
passageway ,
perforation ,
pinhole ,
pore ,
portico ,
prick ,
puncture ,
railroad tunnel ,
rupture ,
slash ,
slit ,
slot ,
space ,
split ,
stoma ,
throwing open ,
traject ,
trajet ,
tunnel ,
uncorking ,
underpass ,
unstopping ,
vent ,
yawn
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