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Magnetic

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Magnetic \Mag*net"ic\, Magnetical \Mag*net"ic*al\, adjective [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.

2. Of or pertaining to, or characterized by, the earth's magnetism; as, the magnetic north; the magnetic meridian.

3. Capable of becoming a magnet; susceptible to magnetism; as, the magnetic metals.

4. Endowed with extraordinary personal power to excite the feelings and to win the affections; attractive; inducing attachment.

She that had all magnetic force alone. --Donne.

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]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Magnetic \Mag*net"ic\, noun

1. A magnet. [Obs.]

As the magnetic hardest iron draws. --Milton.

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.

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Attraction \At*trac"tion\, noun [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.

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.

2. The act or property of attracting; the effect of the power or operation of attraction. --Newton.

3. The power or act of alluring, drawing to, inviting, or engaging; an attractive quality; as, the attraction of beauty or eloquence.

4. That which attracts; an attractive object or feature.

Syn: Allurement; enticement; charm.

From WordNet (r) 3.0 (2006) [wn]:

magnetic

adjective

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" [syn: {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" [syn: {charismatic}, {magnetic}]


The dictionary definitions are retrieved from a local copy of two of the open source DICT dictionaries. Click here for the database copyright information. DEFINE.COM is registered as an educational NONPROFIT corporation. We aim to please around here. We believe in using positive reinforcement to get things done. We make suggestions that are intended to make life more enjoyable. We think about efficiency, automation, security, privacy, social and ecological responsibility and positive humanitarian ethics and values. We are benevolent. DO NO HARM is our motto.

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