sun 音标拼音: [s'ʌn]
n . 太阳,日,日光,阳光
vt . 晒
vi . 晒太阳
太阳,日,日光,阳光晒晒太阳
sun n 1 :
the star that is the source of light and heat for the planets in the solar system ; "
the sun contains 99 .
85 %
of the mass in the solar system "; "
the Earth revolves around the Sun " [
synonym : {
sun }, {
Sun }]
2 :
the rays of the sun ; "
the shingles were weathered by the sun and wind " [
synonym : {
sunlight }, {
sunshine }, {
sun }]
3 :
a person considered as a source of warmth or energy or glory etc 4 :
any star around which a planetary system revolves 5 :
first day of the week ;
observed as a day of rest and worship by most Christians [
synonym : {
Sunday }, {
Lord '
s Day }, {
Dominicus },
{
Sun }]
v 1 :
expose one '
s body to the sun [
synonym : {
sun }, {
sunbathe }]
2 :
expose to the rays of the sun or affect by exposure to the sun ; "
insolated paper may turn yellow and crumble "; "
These herbs suffer when sunned " [
synonym : {
sun }, {
insolate },
{
solarize }, {
solarise }]
Sun \
Sun \,
n . (
Bot .)
See {
Sunn }.
[
1913 Webster ]
Sun \
Sun \,
n . [
OE .
sunne ,
sonne ,
AS .
sunne ;
akin to OFries .
sunne ,
D .
zon ,
OS . &
OHG .
sunna ,
G .
sonne ,
Icel .
sunna ,
Goth .
sunna ;
perh .
fr .
same root as L .
sol . [
root ]
297 .
Cf . {
Solar },
{
South }.]
1 .
The luminous orb ,
the light of which constitutes day ,
and its absence night ;
the central body round which the earth and planets revolve ,
by which they are held in their orbits ,
and from which they receive light and heat .
Its mean distance from the earth is about 92 ,
500 ,
000 miles ,
and its diameter about 860 ,
000 .
[
1913 Webster ]
Note :
Its mean apparent diameter as seen from the earth is 32 '
4 [
sec ],
and it revolves on its own axis once in 251 /
3 days .
Its mean density is about one fourth of that of the earth ,
or 1 .
41 ,
that of water being unity .
Its luminous surface is called the photosphere ,
above which is an envelope consisting partly of hydrogen ,
called the chromosphere ,
which can be seen only through the spectroscope ,
or at the time of a total solar eclipse .
Above the chromosphere ,
and sometimes extending out millions of miles ,
are luminous rays or streams of light which are visible only at the time of a total eclipse ,
forming the solar corona .
[
1913 Webster ]
2 .
Any heavenly body which forms the center of a system of orbs .
[
1913 Webster ]
3 .
The direct light or warmth of the sun ;
sunshine .
[
1913 Webster ]
Lambs that did frisk in the sun . --
Shak .
[
1913 Webster ]
4 .
That which resembles the sun ,
as in splendor or importance ;
any source of light ,
warmth ,
or animation .
[
1913 Webster ]
For the Lord God is a sun and shield . --
Ps .
lxxiv .
11 .
[
1913 Webster ]
I will never consent to put out the sun of sovereignity to posterity . --
Eikon Basilike .
[
1913 Webster ]
{
Sun and planet wheels } (
Mach .),
an ingenious contrivance for converting reciprocating motion ,
as that of the working beam of a steam engine ,
into rotatory motion .
It consists of a toothed wheel (
called the sun wheel ),
firmly secured to the shaft it is desired to drive ,
and another wheel (
called the planet wheel )
secured to the end of a connecting rod .
By the motion of the connecting rod ,
the planet wheel is made to circulate round the central wheel on the shaft ,
communicating to this latter a velocity of revolution the double of its own . --
G .
Francis .
{
Sun angel } (
Zool .),
a South American humming bird of the genus {
Heliangelos },
noted for its beautiful colors and the brilliant luster of the feathers of its throat .
{
Sun animalcute }. (
Zool .)
See {
Heliozoa }.
{
Sun bath } (
Med .),
exposure of a patient to the sun '
s rays ;
insolation .
{
Sun bear } (
Zool .),
a species of bear ({
Helarctos Malayanus })
native of Southern Asia and Borneo .
It has a small head and short neck ,
and fine short glossy fur ,
mostly black ,
but brownish on the nose .
It is easily tamed .
Called also {
bruang },
and {
Malayan bear }.
{
Sun beetle } (
Zool .),
any small lustrous beetle of the genus {
Amara }.
{
Sun bittern } (
Zool .),
a singular South American bird ({
Eurypyga helias }),
in some respects related both to the rails and herons .
It is beautifully variegated with white ,
brown ,
and black .
Called also {
sunbird },
and {
tiger bittern }.
{
Sun fever } (
Med .),
the condition of fever produced by sun stroke .
{
Sun gem } (
Zool .),
a Brazilian humming bird ({
Heliactin cornutus }).
Its head is ornamented by two tufts of bright colored feathers ,
fiery crimson at the base and greenish yellow at the tip .
Called also {
Horned hummer }.
{
Sun grebe } (
Zool .),
the finfoot .
{
Sun picture },
a picture taken by the agency of the sun '
s rays ;
a photograph .
{
Sun spots } (
Astron .),
dark spots that appear on the sun '
s disk ,
consisting commonly of a black central portion with a surrounding border of lighter shade ,
and usually seen only by the telescope ,
but sometimes by the naked eye .
They are very changeable in their figure and dimensions ,
and vary in size from mere apparent points to spaces of 50 ,
000 miles in diameter .
The term sun spots is often used to include bright spaces (
called faculae )
as well as dark spaces (
called maculae ).
Called also {
solar spots }.
See Illustration in Appendix .
{
Sun star } (
Zool .),
any one of several species of starfishes belonging to {
Solaster }, {
Crossaster },
and allied genera ,
having numerous rays .
{
Sun trout } (
Zool .),
the squeteague .
{
Sun wheel }. (
Mach .)
See {
Sun and planet wheels },
above .
{
Under the sun },
in the world ;
on earth . "
There is no new thing under the sun ." --
Eccl .
i .
9 .
[
1913 Webster ]
Note :
Sun is often used in the formation of compound adjectives of obvious meaning ;
as ,
sun -
bright ,
sun -
dried ,
sun -
gilt ,
sunlike ,
sun -
lit ,
sun -
scorched ,
and the like .
[
1913 Webster ]
Sun \
Sun \,
v .
t . [
imp . &
p .
p . {
Sunned };
p .
pr . &
vb .
n .
{
Sunning }.]
To expose to the sun '
s rays ;
to warm or dry in the sun ;
as ,
to sun cloth ;
to sun grain .
[
1913 Webster ]
Then to sun thyself in open air . --
Dryden .
[
1913 Webster ]
Sunn \
Sunn \,
n . [
Hind .
san ,
fr .
Skr . [,
c ]
ana .] (
Bot .)
An East Indian leguminous plant ({
Crotalaria juncea })
and its fiber ,
which is also called {
sunn hemp }. [
Written also {
sun }.]
[
1913 Webster ]
128 Moby Thesaurus words for "
sun ":
Amen -
Ra ,
Apollo ,
Helios ,
Hyperion ,
Phoebus ,
Phoebus Apollo ,
Ra ,
Savitar ,
Shamash ,
Sol ,
Surya ,
Titan ,
abundant year ,
academic year ,
air -
dry ,
anhydrate ,
annum ,
bake ,
bask ,
bissextile year ,
blot ,
brush ,
burn ,
calendar month ,
calendar year ,
candle ,
celestial body ,
century ,
chromosphere ,
common year ,
corona ,
cure ,
day ,
daylight ,
daystar ,
decade ,
decennary ,
decennium ,
defective year ,
dehumidify ,
dehydrate ,
desiccate ,
drain ,
dry ,
electric light bulb ,
evaporate ,
exsiccate ,
fire ,
fiscal year ,
flame ,
fortnight ,
glim ,
hour ,
illuminant ,
illuminator ,
incandescent body ,
insolate ,
kiln ,
lamp ,
lantern ,
leap year ,
light ,
light bulb ,
light source ,
luminant ,
luminary ,
lunar month ,
lunar year ,
lunation ,
luster ,
lustrum ,
man -
hour ,
match ,
microsecond ,
millennium ,
millisecond ,
minute ,
moment ,
month ,
moon ,
mummify ,
orb ,
orb of day ,
parch ,
phoebus ,
photosphere ,
quarter ,
quinquennium ,
radiance ,
radiation ,
regular year ,
rub ,
scorch ,
sear ,
second ,
semester ,
session ,
shrivel ,
sidereal year ,
smoke ,
soak up ,
solar flare ,
solar prominence ,
solar wind ,
solar year ,
source of light ,
sponge ,
star ,
stars ,
sun -
dry ,
sunbathe ,
sunlight ,
sunshine ,
swab ,
taper ,
term ,
torch ,
torrefy ,
towel ,
trimester ,
twelvemonth ,
weazen ,
week ,
weekday ,
wipe ,
wither ,
wizen ,
year
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