| antiferromagnet | (noun) any material that has antiferromagnetic properties. | - |
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| antiferromagnetism | (noun) magnetic field creates parallel but opposing spins; varies with temperature | - |
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| demagnetisation | (noun) the process of removing magnetization | Synonyms: demagnetization |
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| demagnetization | (noun) the process of removing magnetization | Synonyms: demagnetisation |
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| diamagnet | (noun) a substance that exhibits diamagnetism | - |
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| diamagnetism | (noun) phenomenon exhibited by materials like copper or bismuth that become magnetized in a magnetic field with a polarity opposite to the magnetic force; unlike iron they are slightly repelled by a magnet | - |
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| electromagnet | (noun) a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet | - |
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| electromagnetics | (noun) the branch of physics concerned with electromagnetic phenomena | Synonyms: electromagnetism |
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| electromagnetism | (noun) the branch of physics concerned with electromagnetic phenomena | Synonyms: electromagnetics |
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| (noun) magnetism produced by an electric current | - |
| ferrimagnetism | (noun) a phenomenon in ferrites where there can be incomplete cancellation of antiferromagnetic arranged spins giving a net magnetic moment | - |
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| ferromagnet | (noun) any material that has ferromagnetic properties. | - |
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| ferromagnetism | (noun) phenomenon exhibited by materials like iron (nickel or cobalt) that become magnetized in a magnetic field and retain their magnetism when the field is removed | - |
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| magnanimity | (noun) liberality in bestowing gifts; extremely liberal and generous of spirit | Synonyms: largess, largesse, munificence, openhandedness |
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| magnanimousness | (noun) the quality of elevation of mind and exaltation of character or ideals or conduct | Synonyms: grandeur, nobility, nobleness |
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| magnate | (noun) a very wealthy or powerful businessman | Synonyms: baron, big businessman, business leader, king, mogul, power, top executive, tycoon |
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| magnesia | (noun) a white solid mineral that occurs naturally as periclase; a source of magnesium | Synonyms: magnesium oxide, periclase |
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| magnesite | (noun) a white mineral consisting of magnesium carbonate; a source of magnesium | - |
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| magnesium | (noun) a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine) | Synonyms: atomic number 12, Mg |
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| magnet | (noun) (physics) a device that attracts iron and produces a magnetic field | - |
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| (noun) a characteristic that provides pleasure and attracts | Synonyms: attracter, attraction, attractive feature, attractor |
| magnetics | (noun) the branch of science that studies magnetism | Synonyms: magnetism |
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| magnetisation | (noun) the physical property of being magnetic | Synonyms: magnetization |
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| (noun) the process that makes a substance magnetic (temporarily or permanently) | Synonyms: magnetic induction, magnetization |
| (noun) the extent or degree to which something is magnetized | Synonyms: magnetization |
| magnetism | (noun) the branch of science that studies magnetism | Synonyms: magnetics |
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| (noun) attraction for iron; associated with electric currents as well as magnets; characterized by fields of force | Synonyms: magnetic attraction, magnetic force |
| magnetite | (noun) an oxide of iron that is strongly attracted by magnets | Synonyms: magnetic iron-ore |
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| magnetization | (noun) the physical property of being magnetic | Synonyms: magnetisation |
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| (noun) the process that makes a substance magnetic (temporarily or permanently) | Synonyms: magnetic induction, magnetisation |
| (noun) the extent or degree to which something is magnetized | Synonyms: magnetisation |
| magneto | (noun) a small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engine | Synonyms: magnetoelectric machine |
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| magnetograph | (noun) a scientific instrument that registers magnetic variations (especially variations of the earth's magnetic field) | - |
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| magnetohydrodynamics | (noun) the study of the interaction of magnetic fields and electrically conducting fluids (as plasma or molten metal) | - |
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| magnetometer | (noun) a meter to compare strengths of magnetic fields | Synonyms: gaussmeter |
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| magneton | (noun) a unit of magnetic moment of a molecular or atomic or subatomic particle | - |
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| magnetosphere | (noun) the magnetic field of a planet; the volume around the planet in which charged particles are subject more to the planet's magnetic field than to the solar magnetic field | - |
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| magnetron | (noun) a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators | - |
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| magnification | (noun) the act of expanding something in apparent size | - |
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| (noun) a photographic print that has been enlarged | Synonyms: blowup, enlargement |
| (noun) making to seem more important than it really is | Synonyms: exaggeration, overstatement |
| (noun) the ratio of the size of an image to the size of the object | - |
| magnificence | (noun) the quality of being magnificent or splendid or grand | Synonyms: brilliance, grandeur, grandness, splendor, splendour |
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| (noun) splendid or imposing in size or appearance | Synonyms: grandness, impressiveness, richness |
| magnifico | (noun) a person of distinguished rank or appearance | - |
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| magnifier | (noun) a scientific instrument that magnifies an image | - |
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| magniloquence | (noun) high-flown style; excessive use of verbal ornamentation | Synonyms: grandiloquence, grandiosity, ornateness, rhetoric |
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| magnitude | (noun) the property of relative size or extent (whether large or small) | - |
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| (noun) relative importance | - |
| (noun) a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10 | Synonyms: order of magnitude |
| magnolia | (noun) any shrub or tree of the genus Magnolia; valued for their longevity and exquisite fragrant blooms | - |
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| (noun) dried bark of various magnolias; used in folk medicine | - |
| magnoliopsid | (noun) flowering plant with two cotyledons; the stem grows by deposit on its outside | Synonyms: dicot, dicotyledon, exogen |
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| magnum | (noun) a large wine bottle for liquor or wine | - |
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| paramagnet | (noun) magnet made of a substance whose magnetization is proportional to the strength of the magnetic field applied to it | - |
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| paramagnetism | (noun) materials like aluminum or platinum become magnetized in a magnetic field but it disappears when the field is removed | - |
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