Arc 音标拼音: ['ɑrk]
n . 弧形,弓形,弧光,弧
弧形,弓形,弧光,弧
arc 弧
arc 弧
arc n 1 :
electrical conduction through a gas in an applied electric field [
synonym : {
discharge }, {
spark }, {
arc }, {
electric arc },
{
electric discharge }]
2 :
a continuous portion of a circle 3 :
something curved in shape [
synonym : {
bow }, {
arc }]
v 1 :
form an arch or curve ; "
her back arches "; "
her hips curve nicely " [
synonym : {
arch }, {
curve }, {
arc }]
Arc \
Arc \ ([
aum ]
rk ),
v .
i . [
imp . &
p .
p . {
Arcked } ([
aum ]
rkt );
p .
pr . &
vb .
n . {
Arcking }.] (
Elec .)
To form a voltaic arc ,
as an electrical current in a broken or disconnected circuit .
[
Webster 1913 Suppl .]
Arc \
Arc \,
n . [
F .
arc ,
L .
arcus bow ,
arc .
See {
Arch },
n .]
1 . (
Geom .)
A portion of a curved line ;
as ,
the arc of a circle or of an ellipse .
[
1913 Webster ]
2 .
A curvature in the shape of a circular arc or an arch ;
as ,
the colored arc (
the rainbow );
the arc of Hadley '
s quadrant .
[
1913 Webster ]
3 .
An arch . [
Obs .]
[
1913 Webster ]
Statues and trophies ,
and triumphal arcs . --
Milton .
[
1913 Webster ]
4 .
The apparent arc described ,
above or below the horizon ,
by the sun or other celestial body .
The diurnal arc is described during the daytime ,
the nocturnal arc during the night .
[
1913 Webster ]
{
Electric arc }, {
Voltaic arc }.
See under {
Voltaic }.
[
1913 Webster ]
59 Moby Thesaurus words for "
arc ":
AC arc ,
Poulsen arc ,
aperiodic discharge ,
arc column ,
arc discharge ,
arc light ,
arch ,
bend ,
bow ,
brush discharge ,
catacaustic ,
catenary ,
caustic ,
circle ,
color filter ,
conchoid ,
crook ,
curl ,
curvation ,
curvature ,
curve ,
diacaustic ,
dimmer ,
discharge ,
disruptive discharge ,
electric discharge ,
electric shock ,
electric spark ,
electrodeless discharge ,
ellipse ,
festoon ,
floats ,
flood ,
floodlight ,
footlights ,
foots ,
galvanic shock ,
gelatin ,
glow discharge ,
hook ,
hyperbola ,
klieg light ,
light plot ,
lights ,
limelight ,
lituus ,
marquee ,
medium ,
oscillatory discharge ,
parabola ,
round ,
shock ,
silent discharge ,
sinus ,
spark ,
spark gap ,
spot ,
spotlight ,
tracery
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