GLOSSARY. 



113 



conducted several times round a 

 magnetic needle. 



Multiply (Lat. multus, many; pli'co, 

 I fold). To increase a quantity a 

 given number of times. 



Multiplying Glass. A kind of lens 

 presenting a number of plane sur- 

 faces, so that the rays of light from 

 an object enter the eye in different 

 directions, and make the object 

 appear as if increased in number. 



Multispi'ral (Lat. multus, many ; 

 spira, a spire). Having many 

 spiral turns. 



Mul'tivalve (Lat. multus, many ; 

 valves, folding doors). Having 

 many valves. 



Multoc'ular (Lat. multus, many : oc'- 

 ulus, an eye). Having many eyes. 



Multiun'gulate (Lat. multus, many ; 

 un'gula, a hoof). Having the 

 hoof divided into more than two 

 parts. 



Mural Circle (Lat. murus, a wall). 

 An astronomical instrument, con- 

 sisting of a large graduated metal 

 circle, carried on an axis placed 

 horizontally in the face of a stone 

 wall or pier ; it has a telescope 

 fixed on it, and is so arranged that 

 the whole instrument, including 

 the telescope, moves on its axis in 

 the plane of the meridian ; it is 

 used to determine with precision 

 the instant at which an object passes 

 the meiidian. 



Murex'ide (Lat. murex, a shell-fish 

 yielding a purple dye). Purpurate 

 of ammonia ; an organic compound, 

 which forms a purple colour with 

 solution of potash. 



Mu'riate (Lat. mu'ria, salt water) . A 

 term formerly applied to chlorides, 

 on the supposition that they were 

 compounds of muriatic acid with a 

 base. 



Muriatic (Lat. mu'ria, salt water). 

 Relating to brine or salt-water, an 

 old name for hydrochloric. 



Mu'riform (Lat. murus, a wall ; forma, 

 shape). Like a wall ; arranged 

 like bricks on a wall. 



Musch'elkalk (Germ, muschel, a 

 shell ; kallc, lime). Shell-lime- 

 stone; a series of the Triassic 



system in geology found in Ger- 

 many, consisting of a compact 

 greyish limestone, abounding in 

 fossil remains. 



Mus'cites (Lat. muscus, moss). Fos- 

 sil plants of the moss family. 



Muscle (Lat. mus'culus, a little mouse). 

 An organ by which the active move- 

 ments of the body are produced ; 

 the name is derived probably from 

 the shape of some of the muscles. 



Mus'cular (Lat. mus'culus, a muscle). 

 Relating to or performed by mus- 

 cles ; provided with muscles. 



Muscular Tissue. The tissue which 

 forms the substance of muscles. 



Mute (Lat. mutus, dumb). In gram- 

 mar, applied to consonants which 

 intercept the voice, as k, p, and t. 



Myal'gia (Gr. fj.vs, mus, a muscle ; 

 01X705, algos, pain). Pain in 

 muscles. 



Myce'lia (Gr. /JLVKTJS, mukes, a fungus). 

 The flocculent filaments of fungi. 



Mycol'ogy (Gr. /ZU/CTJS, mukes, a 

 fungus ; Ao7os, logos, a discourse). 

 A description of fungi. 



Myelenceph'ala (Gr. /uueAoy, mu'elos, 

 marrow ; syKsfyaXov, enkepk'alon, 

 brain). Animals possessing a brain 

 and spinal chord ; vertebrate ani- 

 mals. 



Myeli'tis (Gr. /j.ve\as, mu'elos, mar- 

 row : itis, denoting inflammation). 

 Inflammation of the spinal cord 



My'lodon (Gr. w\os, mulos, a mill ; 

 oSovs, odous, a tooth) . An extinct 

 animal ; so named from the flat 

 grinding surfaces of its molar 

 teeth. 



Myol'ogy (Gr. /j.vs, mus, a muscle ; 

 \oyos, logos, a discourse). A de- 

 scription of muscles. 



Myo'pia (Gr. HVM, muo, I shut ; &4, 

 ops, the eye). Near-sightedness. 



Myosi'tis (Gr. /tws, mus, a muscle ; 

 itis, denoting inflammation). In- 

 flammation of muscles. 



Myos'tici (Gr. fivs, mus, muscle ; 

 oa-reov, os'teon, bone) A name 

 proposed to be given to diseases 

 affecting bones and muscles. 



Myot'omy (Gr. /j.vs, mus, a muscle ; 

 Tfp.vca, temno, I cut). The anatomy 

 of the muscles. 



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