diaphragm 音标拼音: [d'ɑɪəfr
, æm]
n . 横隔膜,控光装置
横隔膜,控光装置
diaphragm n 1 :
a mechanical device in a camera that controls size of aperture of the lens ; "
the new cameras adjust the diaphragm automatically " [
synonym : {
diaphragm }, {
stop }]
2 : (
anatomy )
a muscular partition separating the abdominal and thoracic cavities ;
functions in respiration [
synonym :
{
diaphragm }, {
midriff }]
3 :
a contraceptive device consisting of a flexible dome -
shaped cup made of rubber or plastic ;
it is filled with spermicide and fitted over the uterine cervix [
synonym : {
diaphragm },
{
pessary }, {
contraceptive diaphragm }]
4 :
electro -
acoustic transducer that vibrates to receive or produce sound waves Diaphragm \
Di "
a *
phragm \,
n . [
L .
diaphragma ,
Gr . ?,
fr . ?
to fence by a partition wall ;
dia `
through ?, ?,
to fence ,
inclose ;
prob .
akin to L .
fareire to stuff :
cf .
F .
diaphragme .
See {
Farce }.]
1 .
A dividing membrane or thin partition ,
commonly with an opening through it .
[
1913 Webster ]
2 . (
Anat .)
The muscular and tendinous partition separating the cavity of the chest from that of the abdomen ;
the midriff .
[
1913 Webster ]
3 . (
Zool .)
A calcareous plate which divides the cavity of certain shells into two parts .
[
1913 Webster ]
4 . (
Opt .)
A plate with an opening ,
which is generally circular ,
used in instruments to cut off marginal portions of a beam of light ,
as at the focus of a telescope .
[
1913 Webster ]
5 . (
Mach .)
A partition in any compartment ,
for various purposes .
[
1913 Webster ]
{
Diaphragm pump },
one in which a flexible diaphragm takes the place of a piston .
[
1913 Webster ]
128 Moby Thesaurus words for "
diaphragm ":
IUD ,
abdomen ,
abomasum ,
acoustical network ,
bag ,
barrier ,
bay window ,
beerbelly ,
belly ,
birth control device ,
brattice ,
breadbasket ,
buffer ,
buffer state ,
bulkhead ,
bumper ,
capacitor speaker ,
center ,
cloison ,
coaxial speaker ,
collision mat ,
condom ,
cone ,
contraceptive ,
contraceptive foam ,
core ,
craw ,
crop ,
crossover network ,
cushion ,
diameter ,
dissepiment ,
dividing line ,
dividing wall ,
division ,
dynamic speaker ,
earphone ,
electrodynamic speaker ,
electromagnetic speaker ,
electrostatic speaker ,
embonpoint ,
equator ,
excited -
field speaker ,
fender ,
first stomach ,
full -
fidelity speaker ,
gizzard ,
gullet ,
gut ,
headphone ,
headset ,
heart ,
high -
fidelity speaker ,
high -
frequency speaker ,
honeycomb stomach ,
horn ,
interior ,
interseptum ,
intrauterine device ,
kernel ,
kishkes ,
loudspeaker ,
low -
frequency speaker ,
manyplies ,
mat ,
maw ,
mean ,
median ,
middle ,
midmost ,
midrange speaker ,
midriff ,
midsection ,
midst ,
monorange speaker ,
moving -
coil speaker ,
nucleus ,
omasum ,
oral contraceptive ,
pad ,
panel ,
paries ,
partition ,
party wall ,
paunch ,
permanent magnet speaker ,
pessary ,
pot ,
potbelly ,
potgut ,
property line ,
prophylactic ,
psalterium ,
pusgut ,
rennet bag ,
reticulum ,
rubber ,
rumen ,
second stomach ,
separation ,
septulum ,
septum ,
shock pad ,
skin ,
spare tire ,
speaker ,
speaker system ,
speaker unit ,
spermicidal jelly ,
spermicide ,
stomach ,
swagbelly ,
the pill ,
thick ,
thick of things ,
third stomach ,
triaxial speaker ,
tum -
tum ,
tummy ,
tweeter ,
underbelly ,
ventripotence ,
voice coil ,
waist ,
waistline ,
wall ,
woofer ,
zone
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