atmospheric 音标拼音: [
, ætməsf'ɛrɪk]
a . 大气层的,有某种气氛的
大气层的,有某种气氛的
atmospheric adj 1 :
relating to or located in the atmosphere ; "
atmospheric tests " [
synonym : {
atmospheric }, {
atmospherical }]
Atmospheric \
At `
mos *
pher "
ic \,
Atmospherical \
At `
mos *
pher "
ic *
al \,
a . [
Cf .
F .
atmosph ['
e ]
rique .]
1 .
Of or pertaining to the atmosphere ;
of the nature of ,
or resembling ,
the atmosphere ;
as ,
atmospheric air ;
the atmospheric envelope of the earth .
[
1913 Webster ]
2 .
Existing or occurring in the atmosphere .
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1913 Webster ]
The lower atmospheric current . --
Darwin .
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1913 Webster ]
3 .
Caused ,
or operated on ,
by the atmosphere ;
as ,
an atmospheric effect ;
an atmospheric engine .
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1913 Webster ]
4 .
Dependent on the atmosphere . [
R .]
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1913 Webster ]
In am so atmospherical a creature . --
Pope .
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1913 Webster ]
{
Atmospheric engine },
a steam engine whose piston descends by the pressure of the atmosphere ,
when the steam which raised it is condensed within the cylinder . --
Tomlinson .
{
Atmospheric line } (
Steam Engin .),
the equilibrium line of an indicator card .
Steam is expanded "
down to the atmosphere "
when its pressure is equal to that of the atmosphere . (
See {
Indicator card }.)
{
Atmospheric pressure },
the pressure exerted by the atmosphere ,
not merely downwards ,
but in every direction .
In amounts to about 14 .
7 Ibs .
on each square inch .
{
Atmospheric railway },
one in which pneumatic power ,
obtained from compressed air or the creation of a vacuum ,
is the propelling force .
{
Atmospheric tides }.
See under {
Tide }.
[
1913 Webster ]
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