<B>M/Sgt</B> (no period) or <B>M.Sgt.,</B><DL COMPACT><DD> master sergeant. </DL>
<A NAME="msh">
<B>MSH</B> (no periods),<DL COMPACT><DD> melanocyte-stimulating hormone; intermedin. </DL>
<A NAME="msi">
<B>MSI</B> (1) (no periods),<DL COMPACT><DD> medium-scale integration (a method of producing a number of integrated circuits on a single chip of silicon). </DL>
<A NAME="msi">
<B>MSI</B> (2) (no periods) or <B>M.S.I.,</B><DL COMPACT><DD> Movimento Sociale Italiano (Italian Social Movement, a political party in Italy). </DL>
<A NAME="msieur">
<B>m'sieur, </B>noun. =monsieur.</DL>
<A NAME="msl">
<B>m.s.l.,</B><DL COMPACT><DD> mean sea level. </DL>
<A NAME="mso">
<B>MSO</B> (no periods),<DL COMPACT><DD> ocean minesweeper. </DL>
<A NAME="msr">
<B>MSR</B> (no periods),<DL COMPACT><DD> missile site radar (an electronic radar used at antiballistic missile sites). </DL>
<A NAME="mss">
<B>MSS.,</B> <B>MSS</B> (no period), <B>Mss.,</B> or <B>mss.,</B><DL COMPACT><DD> manuscripts. </DL>
<A NAME="mss">
<B>M.S.S.,</B><DL COMPACT><DD><B> 1. </B>Master of Social Science. <DD><B> 2. </B>Master of Social Service. </DL>
<A NAME="mst">
<B>MST</B> (no periods), <B>M.S.T.,</B> or <B>m.s.t.,</B><DL COMPACT><DD> Mountain Standard Time. </DL>
<A NAME="msth">
<B>MsTh</B> (no period),<DL COMPACT><DD> mesothorium. </DL>
<A NAME="msts">
<B>MSTS</B> (no periods) or <B>M.S.T.S.,</B><DL COMPACT><DD> Military Sea Transportation Service. </DL>
<A NAME="msw">
<B>M.S.W.,</B><DL COMPACT><DD> Master of Social Work. </DL>
<B>MT</B> (no periods),<DL COMPACT><DD><B> 1. </B>machine translation. <DD><B> 2. </B>Montana (with postal Zip Code). </DL>
<A NAME="mt">
<B>M.T.,</B><DL COMPACT><DD> an abbreviation for the following: <DD><B> 1. </B>Masoretic Text (of the Old Testament). <DD><B> 2. </B>metric ton. <DD><B> 3. </B>motor transport. <DD><B> 4. </B>Mountain Time. </DL>
<A NAME="mtb">
<B>MTB</B> (no periods) or <B>M.T.B.,</B><DL COMPACT><DD> motor torpedo boat. </DL>
<B>MTI</B> (no periods),<DL COMPACT><DD> moving target indication (radar). </DL>
<A NAME="mtn">
<B>mtn.,</B><DL COMPACT><DD> mountain. </DL>
<A NAME="mto">
<B>MTO</B> (no periods),<DL COMPACT><DD> Mediterranean Theater of Operations (in World War II). </DL>
<A NAME="mtrev">
<B>Mt. Rev.,</B><DL COMPACT><DD> Most Reverend. </DL>
<A NAME="mts">
<B>mts.,</B><DL COMPACT><DD> mountains. </DL>
<A NAME="mu">
<B>mu, </B>noun.<DL COMPACT><DD><B> 1. </B>the twelfth letter of the Greek alphabet. <DD><B> 2. </B><B>=micron,</B> a unit of length. <DD><B> 3. </B><B>=mumeson.</B> </DL>
<A NAME="mu">
<B>Mu, </B>noun.<DL COMPACT><DD> a mythical lost continent, alleged to have sunk into the southwestern Pacific Ocean at about the same time Atlantis is alleged to have disappeared into the Atlantic. </DL>
<A NAME="much">
<B>much, </B>adjective, <B>more,</B> <B>most,</B> noun, adverb, <B>more,</B> <B>most,</B> verb, <B>muched,</B> <B>muching.</B><DL COMPACT><DD><I>adj. </I> <B>1. </B>in great amount or degree. <BR> <I>Ex. much rain, much pleasure, not much money. Too much cake will make you sick. A pale yellow sun ... showed the much dirt of the place (Rudyard Kipling).</I> <DD><B> 2. </B>(Obsolete.) many; numerous. <BR> <I>Ex. Edom came out against him with much people (Numbers 20:20).</I> <DD><I>noun </I> <B>1. </B>a great deal or amount. <BR> <I>Ex. Much of this is not true. I did not hear much of the talk.</I> <DD><B> 2. </B>a great, important, or notable thing or matter. <BR> <I>Ex. The rain did not amount to much. The house is not much to look at.</I> <DD><I>adv. </I> <B>1. </B>to a high degree; greatly. <BR> <I>Ex. much higher. I was much pleased with the toy.</I> <DD><B> 2. </B>nearly; about. <BR> <I>Ex. This is much the same as the others.</I> (SYN) approximately. <DD><I>v.t. </I> (Dialect.) to make much of; pet; caress. <BR> <I>Ex. It is the mark of a good watchdog ... that he can't be muched by any passerby, but only by persons of rare talent (Baltimore Sun).</I> <BR><I>expr. <B>make much of,</B> </I>to pay much attention to or do much for. <BR> <I>Ex. Young people usually don't make much of the customs of their parents.</I> <BR><I>expr. <B>much as,</B> <DD><B> a. </B>in the same way as. </I> <I>Ex. Plants need food, much as animals do.</I> <DD><B> b. </B>though; although. <BR> <I>Ex. Much as he disagreed with the idea he was willing to go along with the majority.</I> <BR><I>expr. <B>much of a,</B> <DD><B> a. </B>nearly the same. </I> <I>Ex. He and his brother are much of a size.</I> <DD><B> b. </B>in any great or special degree. <BR> <I>Ex. A job that keeps a worker in poverty is ... not much of a job (Albert Shanker).</I> <BR><I>expr. <B>so much,</B> <DD><B> a. </B>a small or limited amount. </I> <I>Ex. You can only buy so much with five dollars.</I> <DD><B> b. </B>a great deal of; a lot. <BR> <I>Ex. This idea strikes me as so much nonsense.</I> <BR><I>expr. <B>too much,</B> <DD><B> a. </B>more than a match. </I> <I>Ex. The big dog was too much for him, and he couldn't hold him on the leash.</I> <DD><B> b. </B>(Slang.) very poor; terrible. <BR> <I>Ex. This actor is just too much!</I> <DD><B> c. </B>(Slang.) very funny or amusing. <BR> <I>Ex. Oh, you're too much!</I> </DL>
<B>muchness, </B>noun.<DL COMPACT><DD> greatness; magnitude. <BR><I>expr. <B>much of a muchness,</B> </I>much alike; nearly equivalent. <BR> <I>Ex. much of a muchness--no better, and perhaps no worse (Henry Kingsley).</I> </DL>
<A NAME="mucicacid">
<B>mucic acid,</B><DL COMPACT><DD> a white, crystalline dibasic acid formed by oxidizing certain gums and lactose in the presence of nitric acid. </DL>
<A NAME="mucid">
<B>mucid, </B>adjective.<DL COMPACT><DD> musty or slimy, as from decay; moldy. noun <B>mucidness.</B> </DL>
<A NAME="muciferous">
<B>muciferous, </B>adjective.<DL COMPACT><DD> carrying or secreting mucus. </DL>
<B>mucilage, </B>noun.<DL COMPACT><DD><B> 1. </B>a sticky, gummy substance used to make things stick together, especially a solution of gum or glue in water. <DD><B> 2. </B>a secretion like glue or gelatin in plants such as seaweeds. </DL>
<B>mucin, </B>noun.<DL COMPACT><DD> any one of various proteins forming the chief constituents of mucous secretions; mucoprotein. <BR> <I>Ex. Lysozyme ... interests bacteriologists because it dissolves the mucins with which the microbes are covered (Sunday Times).</I> </DL>
<A NAME="mucinous">
<B>mucinous, </B>adjective.<DL COMPACT><DD><B> 1. </B>of or having to do with mucin. <DD><B> 2. </B>like mucin. </DL>
<B>muck, </B>noun, verb.<DL COMPACT><DD><I>noun </I> <B>1. </B>dirt; filth; dirty slush. <BR> <I>Ex. The basement was covered with muck and slime after the flood.</I> <DD><B> 2. </B>anything filthy, dirty, or disgusting. <DD><B> 3. </B>moist farmyard manure, used as a fertilizer; dung. <DD><B> 4. </B>(U.S.) <DD><B> a. </B>a heavy, moist, dark soil made up chiefly of decayed plants. <DD><B> b. </B>well-decomposed peat, used as a manure. <DD><B> 5. </B>(Informal.) an untidy condition; mess. <BR> <I>Ex. a muck of sweat (Oliver Goldsmith).</I> <DD><B> 6. </B>(Mining.) earth, rock, and other debris to be removed in getting at the mineral sought. <DD><I>v.t. </I> <B>1. </B>to soil or make dirty. <BR> <I>Ex. You can't touch pitch and not be mucked, lad (Robert Louis Stevenson).</I> <DD><B> 2. </B>to put muck on. <BR><I>expr. <B>muck about</B> (or <B>around</B>), </I>(Slang.) to waste time; putter; go about aimlessly. <BR> <I>Ex. Some players and spectators are fed up with the way they keep mucking about with the rules of the game (Manchester Guardian Weekly).</I> <BR><I>expr. <B>muck in,</B> </I>(British Slang.) to mingle; associate (with); share quarters (with). <BR> <I>Ex. hurried back and forth among the confusion like a general mucking in with his troops on the eve of battle (Manchester Guardian).</I> <BR><I>expr. <B>muck out,</B> <DD><B> a. </B>to clean out (as a stable, mine, or tunnel). </I> <I>Ex. After a couple of years getting up at dawn to work horses and muck out stables ... (Time).</I> <DD><B> b. </B>(British.) to clean up (anything). <BR> <I>Ex. ... spoke of the trouble she would get into if she didn't get her employer's office properly mucked out (Punch).</I> <BR><I>expr. <B>muck up,</B> </I>(Slang.) to spoil; foul up; make a mess of. <BR> <I>Ex. We mucked up two hundred quids' worth ... before getting it right, had to burn the lot (Punch).</I> </DL>
<A NAME="muckcar">
<B>muck car,</B><DL COMPACT><DD> a vehicle used to carry away earth, rock, or detritus during mining or the excavation for a tunnel, foundation, or other construction. </DL>
<A NAME="mucker">
<B>mucker</B> (1), noun.<DL COMPACT><DD> (Slang.) a very vulgar, ill-bred person. <BR> <I>Ex. [Mucker] ... with the language and manners of the bargee and the longshoreman (James Truslow Adams).</I> (SYN) cad. </DL>
<A NAME="mucker">
<B>mucker</B> (2), noun.<DL COMPACT><DD> a person who removes muck from a mine, tunnels, or other excavation. <BR> <I>Ex. The muckers work on ... pausing ... to pull Their boots out of suckholes where they slosh (Carl Sandburg).</I> </DL>
