| m ... Maar, Dora |
| maarib ... Macdonald, Alexander |
| Macdonald, Cynthia ... machine finish |
| machine gun ... Maclean's |
| Maclean, Donald ... Macropipus |
| macroscopic symptom ... Madison Boulder |
| Madison River ... Mafia |
| Mafia Island ... Magna |
| Magna Carta ... magnetohydrodynamic power generator |
| magnetohydrodynamic wave ... Mahabat Khan Mosque |
| Mahabharat Range ... Mahikavati |
| Mahillon, Victor-Charles ... Maillart, Robert |
| Maillet, Antonine ... Maiuri, Amedeo |
| Maiz River ... Makgadikgadi |
| Makhachkala ... Malankarese Catholic Church |
| Malaparte, Curzio ... Malevich, Kazimir |
| malformation ... Malmo |
| Malmo, Treaty of ... Mama Mikay |
| Mama Quilla ... Manassas |
| Manassas National Battlefield Park ... Mandelshtam, Nadezhda Yakovlevna |
| Mandelshtam, Osip Emilyevich ... mango |
| Mango Pir ... Mankiller, Wilma Pearl |
| Mankowitz, Wolf ... Mansfield, Katherine |
| Mansfield, Michael ... Manufacturers Hanover Corporation |
| manufacturers' sales branch ... Maqrizi, al- |
| Maqroll el Gaviero ... marbled godwit |
| marbled hatchetfish ... Marconi, Guglielmo |
| Marcos, Ferdinand E. ... Margarine Union Limited in Britain |
| Margarit, Pedro ... Maribo |
| Maribor ... Marinho, Roberto Pisani |
| Marini, Biagio ... Markerwaard Polder |
| market ... Maroczy, Geza |
| Marois, Pauline ... Marsden, Ernest |
| Marsden, William ... martensitic steel |
| martensitic transformation ... Martinez Sierra, Gregorio |
| Martinez Somalo, Eduardo Cardinal ... Mary, Legion of |
| Mary, Princess ... Masiel, David |
| Masimov, Karim ... mass spectrometer |
| mass spectrometry ... Masterpiece of the Oral and Intangible Heritage of Humanity |
| Masters and Johnson ... material |
| material balance ... Matra |
| Matra Mountains ... Matthews, Mother Bernardina |
| Matthews, Sir Stanley ... Maurer, Ion Gheorghe |
| Mauresmo, Amelie ... Maxim, Sir Hiram |
| Maxim-Schupphaus smokeless powder ... Maybach |
| Maybach, Wilhelm ... Mazahua language |
| Mazama Ash ... McCain, Cindy |
| McCain, Donald ... McDermott, Terry |
| McDivitt, James A. ... McKay, John Harvey |
| McKean ... McPartland, Marian |
| McPhatter, Clyde ... Meares, Anna |
| Meares, John ... medal |
| medallion carpet ... medicinal plant |
| medicinal poisoning ... Meerwein, Hans |
| Meerwein, Karl Friedrich ... Mehmed V |
| Mehmed VI ... Mel |
| Mel languages ... Melita |
| Melito Of Sardis ... Memmi, Albert |
| Memmingen ... mendicant |
| Mendigola ... Menon, V K Krishna |
| Menongue ... Mercedes-Benz |
| Mercedes-Benz Museum ... Meres, Francis |
| Mereweather Tower ... Merriam-Webster Inc. |
| Merrick ... mesentery |
| Meseta Central ... Messerschmitt AG |
| Messerschmitt, Willy ... Metallifere Mountains |
| metallocene ... Meteor Deep |
| meteor shower ... metoclopramide |
| Metohija Basin ... Mexican Independence Day |
| Mexican jumping bean ... MGM/UA Entertainment Company |
| mgon khang ... Michaux, Ernest |
| Michaux, Henri ... Micrococcus prodigiosus |
| Micrococcus varians ... microvilli |
| microwave ... middle relief |
| Middle Reuss ... Mien |
| Mien language ... Mikulicz-Radecki, Johannes von |
| mikvah ... military museum |
| military music ... Miller, G William |
| Miller, George ... Milner Commission |
| Milner, Alfred Milner, Viscount ... Minami-tori Island |
| Minamoto family ... minesweeper |
| minesweeping boat ... Minkowski universe |
| Minkowski, Hermann ... Minuteman III |
| Minuteman missile ... mirror |
| mirror box ... mission specialist |
| Mission style ... Mitchell, Lucy Myers Wright |
| Mitchell, Lucy Sprague ... Mittelland |
| Mittelland Canal ... Mkhedruli alphabet |
| Mkwawa ... mock privet |
| mock-epic ... Modica |
| modification ... Mohammed, Warith Deen |
| Mohammedan blue ... molding |
| Moldova ... Molon |
| Molon of Rhodes ... Monck, George, 1st duke of Albemarle, earl of Torrington, Baron Monck of Potheridge, Beauchamp and Teyes |
| Monck, Sir Charles Stanley, 4th Viscount ... monkey drift |
| monkey flower ... monophasic sleep |
| monophonic system ... Mont Blanc Tunnel |
| Mont Pelerin Society ... Monteith, Robert |
| Montejo, Francisco de ... Montiel, Battle of |
| Montigny, A. H. V. Grand Jean de ... Mooney, Tom |
| Mooney-Billings case ... Morais, Vinicius de |
| moral code ... Morelos |
| Morelos, Jose Maria ... moribana |
| Moricz, Zsigmond ... Morozov, Aleksey |
| Morozov, Boris Ivanovich ... Morro Castle |
| Morro Grande ... Moschus |
| Moschus, John ... Most, Mickie |
| most-favoured-nation treatment ... motor cortex |
| motor effect ... Mount Leuser National Park |
| Mount Lofty Ranges ... mouth |
| mouth arm ... Mozart, Maria Anna |
| Mozart, Wolfgang Amadeus ... Muchaqa, Michel |
| Mucianus, Gaius Licinius ... Muhammad |
| Muhammad ... Muir, Edwin |
| Muir, Frank ... Muller, Gerhard Friedrich |
| Muller, Hans ... multiple endocrine neoplasia type 2B |
| multiple epiphyseal dysplasia ... Mundell, Robert A. |
| Munden ... Muqimi |
| muqta' ... Muro Kyuso |
| Muroidea ... Musa |
| Musa al-Kazim ... Mushegh |
| Mushegh Mamikonian ... Musophaga |
| Musophagiform ... mutual antagonism |
| mutual assured destruction ... myelocele |
| myelogenous leukemia ... Myrothamnaceae |
| Myrothamnus ... |
|
|
