equator 音标拼音: [ɪkw'etɚ]
n . 赤道
赤道
equator n 1 :
an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles ; "
the equator is the boundary between the northern and southern hemispheres "
2 :
a circle dividing a sphere or other surface into two usually equal and symmetrical parts Equator \
E *
qua "
tor \,
n . [
L .
aequator one who equalizes :
cf .
F .
['
e ]
quateur equator .
See {
Equate }.]
1 . (
Geog .)
The imaginary great circle on the earth '
s surface ,
everywhere equally distant from the two poles ,
and dividing the earth '
s surface into two hemispheres .
[
1913 Webster ]
2 . (
Astron .)
The great circle of the celestial sphere ,
coincident with the plane of the earth '
s equator ; --
so called because when the sun is in it ,
the days and nights are of equal length ;
hence called also the {
equinoctial },
and on maps ,
globes ,
etc .,
the {
equinoctial line }.
[
1913 Webster ]
{
Equator of the sun }
or {
Equator of a planet } (
Astron .),
the great circle whose plane passes through through the center of the body ,
and is perpendicular to its axis of revolution .
{
Magnetic equator }.
See {
Aclinic }.
[
1913 Webster ]
104 Moby Thesaurus words for "
equator ":
Antarctic Zone ,
Arctic Circle ,
Arctic Zone ,
Frigid Zones ,
Torrid Zone ,
Tropic of Cancer ,
Tropic of Capricorn ,
Variable Zones ,
anklet ,
aphelion ,
apogee ,
armlet ,
astronomical longitude ,
autumnal equinox ,
band ,
belt ,
bisector ,
boundary ,
bracelet ,
celestial equator ,
celestial longitude ,
celestial meridian ,
center ,
cincture ,
cingulum ,
circle ,
climate ,
clime ,
collar ,
collarband ,
colures ,
core ,
diameter ,
diaphragm ,
divider ,
earring ,
ecliptic ,
equinoctial ,
equinoctial circle ,
equinoctial colure ,
equinox ,
fascia ,
fillet ,
finger ring ,
furnace ,
galactic longitude ,
geocentric longitude ,
geodetic longitude ,
girdle ,
girt ,
girth ,
great circle ,
halfway mark ,
heart ,
heliocentric longitude ,
hell ,
hoop ,
horse latitudes ,
inferno ,
interior ,
kernel ,
latitude ,
line of demarcation ,
longitude ,
longitude in arc ,
mean ,
median ,
meridian ,
middle ,
midmost ,
midriff ,
midst ,
neckband ,
necklace ,
nose ring ,
nucleus ,
orbit ,
oven ,
parallel ,
partition ,
perigee ,
perihelion ,
period ,
prime meridian ,
quoit ,
ring ,
roaring forties ,
small circle ,
solstitial colure ,
steam bath ,
subtropics ,
the line ,
thick ,
thick of things ,
trajectory ,
tropic ,
tropics ,
vernal equinox ,
waist ,
waistline ,
wristband ,
wristlet ,
zodiac ,
zone
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