magnetic 音标拼音: [mægn'ɛtɪk]
a . 有磁性的,有吸引力的,催眠术的
有磁性的,有吸引力的,催眠术的
magnetic 磁(性)的
M ;
MAG
magnetic 孔带至磁带
magnetic 磁带
magnetic 磁性薄膜
magnetic 反磁性的
magnetic 磁 磁性
magnetic adj 1 :
of or relating to or caused by magnetism ; "
magnetic forces "
2 :
having the properties of a magnet ;
i .
e .
of attracting iron or steel ; "
the hard disk is covered with a thin coat of magnetic material " [
synonym : {
magnetic }, {
magnetized }, {
magnetised }] [
ant :
{
antimagnetic }]
3 :
capable of being magnetized [
ant : {
nonmagnetic }]
4 :
determined by earth '
s magnetic fields ; "
magnetic north "; "
the needle of a magnetic compass points to the magnetic north pole " [
ant : {
geographic }, {
geographical }]
5 :
possessing an extraordinary ability to attract ; "
a charismatic leader "; "
a magnetic personality " [
synonym :
{
charismatic }, {
magnetic }]
Magnetic \
Mag *
net "
ic \,
Magnetical \
Mag *
net "
ic *
al \,
a . [
L .
magneticus :
cf .
F .
magn ['
e ]
tique .]
1 .
Pertaining to the magnet ;
possessing the properties of the magnet ,
or corresponding properties ;
as ,
a magnetic bar of iron ;
a magnetic needle .
[
1913 Webster ]
2 .
Of or pertaining to ,
or characterized by ,
the earth '
s magnetism ;
as ,
the magnetic north ;
the magnetic meridian .
[
1913 Webster ]
3 .
Capable of becoming a magnet ;
susceptible to magnetism ;
as ,
the magnetic metals .
[
1913 Webster ]
4 .
Endowed with extraordinary personal power to excite the feelings and to win the affections ;
attractive ;
inducing attachment .
[
1913 Webster ]
She that had all magnetic force alone . --
Donne .
[
1913 Webster ]
5 .
Having ,
susceptible to ,
or induced by ,
animal magnetism ,
so called ;
hypnotic ;
as ,
a magnetic sleep .
See {
Magnetism }. [
Archaic ]
[
1913 Webster PJC ]
{
Magnetic amplitude }, {
attraction }, {
dip }, {
induction },
etc .
See under {
Amplitude }, {
Attraction },
etc .
{
Magnetic battery },
a combination of bar or horseshoe magnets with the like poles adjacent ,
so as to act together with great power .
{
Magnetic compensator },
a contrivance connected with a ship '
s compass for compensating or neutralizing the effect of the iron of the ship upon the needle .
{
Magnetic curves },
curves indicating lines of magnetic force ,
as in the arrangement of iron filings between the poles of a powerful magnet .
{
Magnetic elements }.
(
a ) (
Chem .
Physics )
Those elements ,
as iron ,
nickel ,
cobalt ,
chromium ,
manganese ,
etc .,
which are capable or becoming magnetic .
(
b ) (
Physics )
In respect to terrestrial magnetism ,
the declination ,
inclination ,
and intensity .
(
c )
See under {
Element }.
{
Magnetic fluid },
the hypothetical fluid whose existence was formerly assumed in the explanations of the phenomena of magnetism ; --
no longer considered a meaningful concept .
{
Magnetic iron },
or {
Magnetic iron ore }. (
Min .)
Same as {
Magnetite }.
{
Magnetic needle },
a slender bar of steel ,
magnetized and suspended at its center on a sharp -
pointed pivot ,
or by a delicate fiber ,
so that it may take freely the direction of the magnetic meridian .
It constitutes the essential part of a compass ,
such as the mariner '
s and the surveyor '
s .
{
Magnetic poles },
the two points in the opposite polar regions of the earth at which the direction of the dipping needle is vertical .
{
Magnetic pyrites }.
See {
Pyrrhotite }.
{
Magnetic storm } (
Terrestrial Physics ),
a disturbance of the earth '
s magnetic force characterized by great and sudden changes .
{
magnetic tape } (
Electronics ),
a ribbon of plastic material to which is affixed a thin layer of powder of a material which can be magnetized ,
such as ferrite .
Such tapes are used in various electronic devices to record fluctuating voltages ,
which can be used to represent sounds ,
images ,
or binary data .
Devices such as audio casette recorders ,
videocasette recorders ,
and computer data storage devices use magnetic tape as an inexpensive medium to store data .
Different magnetically susceptible materials are used in such tapes .
{
Magnetic telegraph },
a telegraph acting by means of a magnet .
See {
Telegraph }.
[
1913 Webster PJC ]
Magnetic \
Mag *
net "
ic \,
n .
1 .
A magnet . [
Obs .]
[
1913 Webster ]
As the magnetic hardest iron draws . --
Milton .
[
1913 Webster ]
2 .
Any metal ,
as iron ,
nickel ,
cobalt ,
etc .,
which may receive ,
by any means ,
the properties of the loadstone ,
and which then ,
when suspended ,
fixes itself in the direction of a magnetic meridian .
[
1913 Webster ]
Attraction \
At *
trac "
tion \,
n . [
L .
attractio :
cf .
F .
attraction .]
1 . (
Physics )
An invisible power in a body by which it draws anything to itself ;
the power in nature acting mutually between bodies or ultimate particles ,
tending to draw them together ,
or to produce their cohesion or combination ,
and conversely resisting separation .
[
1913 Webster ]
Note :
Attraction is exerted at both sensible and insensible distances ,
and is variously denominated according to its qualities or phenomena .
Under attraction at sensible distances ,
there are , -- (
1 .)
{
Attraction of gravitation },
which acts at all distances throughout the universe ,
with a force proportional directly to the product of the masses of the bodies and inversely to the square of their distances apart . (
2 .)
{
Magnetic }, {
diamagnetic },
and {
electrical attraction },
each of which is limited in its sensible range and is polar in its action ,
a property dependent on the quality or condition of matter ,
and not on its quantity .
Under attraction at insensible distances ,
there are , -- (
1 .)
{
Adhesive attraction },
attraction between surfaces of sensible extent ,
or by the medium of an intervening substance . (
2 .)
{
Cohesive attraction },
attraction between ultimate particles ,
whether like or unlike ,
and causing simply an aggregation or a union of those particles ,
as in the absorption of gases by charcoal ,
or of oxygen by spongy platinum ,
or the process of solidification or crystallization .
The power in adhesive attraction is strictly the same as that of cohesion . (
3 .)
{
Capillary attraction },
attraction causing a liquid to rise ,
in capillary tubes or interstices ,
above its level outside ,
as in very small glass tubes ,
or a sponge ,
or any porous substance ,
when one end is inserted in the liquid .
It is a special case of cohesive attraction . (
4 .)
{
Chemical attraction },
or {
affinity },
that peculiar force which causes elementary atoms ,
or groups of atoms ,
to unite to form molecules .
[
1913 Webster ]
2 .
The act or property of attracting ;
the effect of the power or operation of attraction . --
Newton .
[
1913 Webster ]
3 .
The power or act of alluring ,
drawing to ,
inviting ,
or engaging ;
an attractive quality ;
as ,
the attraction of beauty or eloquence .
[
1913 Webster ]
4 .
That which attracts ;
an attractive object or feature .
[
1913 Webster ]
Syn :
Allurement ;
enticement ;
charm .
[
1913 Webster ]
63 Moby Thesaurus words for "
magnetic ":
absorbing ,
adductive ,
alluring ,
appealing ,
arresting ,
attracting ,
attractive ,
attrahent ,
authoritative ,
beguiling ,
bewitching ,
captivating ,
charismatic ,
charming ,
consequential ,
consuming ,
diamagnetic ,
dragging ,
drawing ,
effective ,
effectual ,
efficacious ,
electromagnetic ,
enchanting ,
engaging ,
engrossing ,
enthralling ,
entrancing ,
estimable ,
fascinating ,
ferromagnetic ,
gripping ,
holding ,
hypnotic ,
important ,
influential ,
inviting ,
irresistible ,
magnetized ,
mesmeric ,
mesmerizing ,
momentous ,
obsessing ,
obsessive ,
personable ,
persuasive ,
polar ,
potent ,
powerful ,
prestigious ,
pulling ,
reputable ,
seductive ,
spellbinding ,
strong ,
suasive ,
substantial ,
sympathetic ,
telling ,
tugging ,
weighty ,
winning ,
winsome
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