planet 音标拼音: [pl'ænət]
n . 行星
行星
planet n 1 : (
astronomy )
any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light ;
Mercury ,
Venus ,
Earth ,
Mars ,
Jupiter ,
Saturn ,
Uranus ,
Neptune ,
and Pluto in order of their proximity to the sun ;
viewed from the constellation Hercules ,
all the planets rotate around the sun in a counterclockwise direction [
synonym : {
planet }, {
major planet }]
2 :
a person who follows or serves another [
synonym : {
satellite },
{
planet }]
3 :
any celestial body (
other than comets or satellites )
that revolves around a star Planet \
Plan "
et \,
n . [
OE .
planete ,
F .
plan [`
e ]
te ,
L .
planeta ,
fr .
Gr . ?,
and ?
a planet ;
prop .
wandering ,
fr . ?
to wander ,
fr . ?
a wandering .]
1 . (
Astron .)
A celestial body which revolves about the sun in an orbit of a moderate degree of eccentricity .
It is distinguished from a comet by the absence of a coma ,
and by having a less eccentric orbit .
See {
Solar system }.
[
1913 Webster ]
Note :
The term planet was first used to distinguish those stars which have an apparent motion through the constellations from the fixed stars ,
which retain their relative places unchanged .
The inferior planets are Mercury and Venus ,
which are nearer to the sun than is the earth ;
the superior planets are Mars ,
the asteroids ,
Jupiter ,
Saturn ,
Uranus ,
and Neptune ,
which are farther from the sun than is the earth .
Primary planets are those which revolve about the sun ;
secondary planets ,
or moons ,
are those which revolve around the primary planets as satellites ,
and at the same time revolve with them about the sun .
[
1913 Webster ]
2 .
A star ,
as influencing the fate of a men .
[
1913 Webster ]
There '
s some ill planet reigns . --
Shak .
[
1913 Webster ]
{
Planet gear }. (
Mach .)
See {
Epicyclic train },
under {
Epicyclic }.
{
Planet wheel },
a gear wheel which revolves around the wheel with which it meshes ,
in an epicyclic train .
[
1913 Webster ]
21 Moby Thesaurus words for "
planet ":
Earth ,
Jupiter ,
Mars ,
Mercury ,
Neptune ,
Pluto ,
Saturn ,
Uranus ,
Venus ,
asteroid ,
globe ,
inferior planet ,
major planet ,
minor planet ,
planetoid ,
secondary planet ,
solar system ,
superior planet ,
terrestrial planet ,
wanderer ,
world
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The Nine Planets of The Solar System | Eight Planets Without Pluto The Planets In Order | From The Sun, Information, History Definition How Many Planets are in our Solar System? | Facts Amount Solar System Facts | Information, Size, History and Definition The Planets | Facts About the Eight Planets 5 Dwarf Planets Saturn Facts | Surface, Atmosphere, Moons, History Definition Eris Facts | Temperature, Surface, Information, History Definition Earth Facts | Surface, Atmosphere, Satellites, History Definition Neptune Facts | Temperature, Surface, Information, History Definition Mars Facts | Temperature, Surface, Information, History Definition