MAGNET 



719 



MAISSIAT'S BAND 



extensively used in medicine. M. boratis, Liquor 

 (B. P.), contains one part of boric acid in six. It is 

 recommended as a paint in diphtheria. M. carbonas, 

 Mg.(HO),.5H 2 0. Dose gr. x-^j. M. 

 carb., Liquor (B.P.) Dose 3*j-ij. M. citras 

 effervescens granulatus, a preparation dissolving 

 in water with effervescence. M. citras granulatus, 

 .nulated citrate of magnesia," combined with citric 

 acid, sugar, sodium bicarbonate, alcohol, and water. 

 Dose 511-5]- M. citratis, Liq., contains M. 

 carbonate gr. 200, citric acid gr. 400, syr. of citric acid 

 gr. 1200, potassium bicarbonate gr. 30, water q. s. 

 ad. ^xij. Dose 5 iv-vj. M. oxid., Mg.O, magnesia, 

 the oxid of the metal, a constituent of several laxative 

 mixtures. Dose gr. x-gj. Magnesia ponderosa, 

 heavy or calcined magnesia. Dose gr. x— izj. M. 

 sulphas, Mg.S0 4 .7H 2 0, "Epsom salt," "salts," 

 much used as a popular purgative. Dose 3 j— 3 j. M. 

 sulphat., Enema (B.P.), composed of sulphate of 

 magnesium one part, olive oil one part, starch mucilage 

 15 parts. M. sulphis, MgS0 3 .6H 2 0. Dose gr. 

 z— xxx. M., Trochisci, each contains magnesia gr. 

 iij, nutmeg, gr. j^p, sugar, tragacanth, water, q. s. 



Magnet (mag*-net) [from iwyvrjoia, Magnesia, a district 

 in Asia Minor, where loadstone was first found]. 

 Loadstone, a magnetic oxid of iron. A body having 

 the power to attract the unlike pole of another magnet, 

 or to repel the like pole, aud also to attract easily- 

 magnetizable bodies. A body having a magnetic 

 field. M., Electro-, a piece of soft iron temporarily 

 magnetized by induction or by insertion into a helix. 

 M., Gruening's, an instrument consisting of several 

 magnetized steel rods, used for the removal of iron and 

 steel particles from the eye. M., Horse-shoe, an 

 iron magnet having the shape of a horse-shoe. Re- 

 operation, the operation of removing foreign bodies 

 of steel from the eye by the aid of a magnet. M., 

 Permanent, one the magnetic properties of which 

 are permanent, in contradistinction to M., Temporary, 

 which derives its magnetism from another magnet or 

 from a galvanic current. 



Magnetic {mag-net* '-ik) [itayvijmoc, magnetic]. Per- 

 taining, or belonging, to a magnet. Possessed of 

 magnetism. M. Axis, the line joining the poles of a 

 magnet. M. Field, a space traversed by lines of 

 magnetic force. 



Magnetism (mag* -net-izm) [fwr/vrjc, magnet]. The 

 peculiar power possessed by the loadstone or natural 

 magnet, and, under certain conditions, by other 

 mineral substances, to attract or repel other masses. 

 The science that treats of the nature and properties of 

 magnets and the magnetic field. M., Animal, an 

 empiric term for hypnotism. See Somnambulism and 

 tism. 



Magnetization (mag-net-iz-a* -shun) \jiayvris, magnet]. 

 The process of rendering a substance magnetic. 



Magneto-electric (mag-net* -o-e-lek* -trik) [uayviiq, mag- 

 net; ff/^KTpov, amber]. Relating to magneto-elec- 

 tricity. 



Magneto-electricity (mag-net* -o-e-lektris'-it-e) \jiay- 

 vijc, magnet ; i'/.EKrpov, amber.] Electricity produced 

 by means of a magnet. 



Magnetograph (mag-net* -o-graf) [fxayvrj^, magnet ; 

 ypaixiv, to write]. An instrument for determining the 

 intensity of magnetic action. 



Magneto-induction (mag-net* -o-in-duk* -shun) [udyvrft, 

 magnet; inductio, induction]. The production of an 

 induced current by the insertion of a magnet within a 

 coil of wire. 



Magnetology (mag-net-ol* -o-je) [udyvtfc, magnet ; /uJyoc, 

 science]. The science of magnets and magnetism. 



Magnetometer (mag-net-om' '-el-er) [uayvt/t;, magnet; 



fiirpov, a measure.] A series of magnets suspended 

 so as to record graphically variations in direction and 

 intensity of magnetic force. 



Magneto-therapy (mag-nef -o-ther*-ap-e) [uaytnfc, 

 magnet ; 0epa-eui f treatment] . The use of the magnet 

 in hypnotic therapeutics. 



MagniductOT (mag-ne-duh*-tor) \magnus , great ; ductor, 

 a leader]. The adductor magnus of the thigh. 



Magnification (mag-nif-ik-a*-shun) \magnificare, to 

 magnify]. In microscopy, the result obtained by 

 dividing a linear dimension of the image by the cor- 

 responding linear dimension of the object magnified. 



Magnify (rnag* -nif-i) \magnificare , to magnify]. To 

 make greater. 



Magnifying (mag* -nif-i-ing) [magnificare, to magnify]. 

 Making greater. M. Power. See Magnification. 



Magnium (mag*-ne-um). Synonym of Magnesium. 



Magnolia (mag-no* -/e-ah) [after Pierre Magnol, a 

 French botanist]. A genus of trees. The bark of 

 M. glauca, the common swamp sassafras, and several 

 other species of the same genus are used in medicine. 

 Magnolia is an aromatic, bitter tonic, popular as a 

 remedy in rheumatism and malarial fevers. Dose 

 3 ss-j. Unof. 



Magnolin (mag-no* -tin) [after Pierre Magnol, a French 

 botanist]. A crystalline substance found in the fruit 

 of magnolia. 



Magnum, or Os magnum [L. for "great bone"]. 

 The largest bone in the distal row of the carpus 

 situated between the unciform and the trapezoid 

 bones. 



Magnus's Law. See Law. M.'s Method, in obstet- 

 rics, a method of bringing down the arms of the fetus 

 after version. "When the arms are about the neck, the 

 hand should be introduced in the ordinary method, 

 two or three fingers being placed on the superior 

 edge of the scapula, which is gently pressed down- 

 ward. This will cause the arms to move suddenly 

 and to come down without further help. M.'s Sign. 

 See Death. 



Mahamari (tnah-hah-mah* -re) [E. Ind.]. Synonym of 

 the Plague, q. v. See Pali. 



Mahua (mah*-u-ah). See Bassia. 



Maid, Maiden (mad, ma*-den) [ME., maide, maiden, 

 a maid]. A young unmarried woman; a virgin. 

 Maidenhead, popular expression for maidenhood ; 

 virginity ; also the hymen. 



Maidismus (ma-id-is* -mus) [mays, maidis, maize]. 

 Maize-poisoning, or pellagra. 



Maieleutherosis (ma-el-u-ther-c* -sis) [uaia, midwife ; 

 k/£i*)£puGiQ, delivery]. Delivery by the aid, or with 

 the attendance, of a midwife. 



Maieusiomania (tna-u-se-o-ma* -ne-ah) [jmievaic, deliv- 

 ery ; fiavin, madness]. Puerperal insanity. 



Maieusiophobia (ma-u-se-o-fo* -be-ah) \jiaitvcic, child- 

 birth ; o63oc, fear]. Morbid dread of childbirth. 



Maieutics (ma-u* -tiks) [fiaieirnjc, an obstetrician ; 

 fiaitvrudj, obstetrics] . Midwifery ; obstetrics. 



Maignen's Compound. Powdered charcoal and lime 

 supported on asbestos-cloth and used for filtration. 

 It is employed in disinfecting sewage. 



Mailed (maid) [ME., maile, a link]. In biology, pro- 

 vided with some kind of protective or defensive coat, 

 as of scales or plates ; loricate ; lepidote. 



Maim (mam) [ME., maimen, to mutilate]. 1. To 

 disable by mutilation. 2. A crippling. 3. See May- 

 hem. 



Main de la griffe, Main en griffe. See Atrophy, Pro- 

 gressive Muscular, and Claw-hand. 



Maisonneuve's Bandage. See Bandage. 



Maissiat's Band. A firm, dense portion of the fascia 

 lata of the thigh passing down to become attached 



