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maelstrom
maelstrom, a term commonly accepted as meaning a whirlpool, or a great storm. In fact, it is a strong current which rips past the southern end of Moskenaes Island in the Lofoten group off the west coast of Norway. Also known as the Maskenstrom, it is marked on a map of the area which appears in the...
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map projection
map projection transfer of the features of the surface of the earth or another spherical body onto a flat sheet of paper. Only a globe can represent accurately the shape, orientation, and relative area of the earth's surface features; any projection produces distortion with regard to some of these ...
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water power
water power mechanical energy derived from falling or flowing water, e.g., rivers, streams, and the overflow of dams. The wooden water wheel , long utilized for driving machinery in flour mills and factories, was largely supplanted by the steam engine in the early 19th cent. In modern practice, wa...
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Project Mohole
Project Mohole program proposed in 1957 to drill a hole down to the boundary between the crust and the mantle , known as the Mohorovičić discontinuity at about 4 to 43 mi (7 to 70 km) below the earth's surface. Initiated by the American Miscellaneous Society, a loose organization of scie...
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Malheur
Malheur , river, c.165 mi (270 km) long, rising in several branches in the Strawberry Mts., E Oregon. The united stream flows generally NE to the Snake River at Ontario. There are flood-control projects on the river, and the Vale project uses the Malheur for irrigation.
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molybdenite
molybdenite , a mineral, molybdenum disulfide, MoS 2 , blue-gray in color, with a metallic luster and greasy feel. It occurs in crystals of the hexagonal system but more commonly in scales, grains, or foliated or massive form. It has an excellent basal cleavage and the laminae are flexible. It is fo...
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Defense Advanced Research Projects Agency
Defense Advanced Research Projects Agency (DARPA), U.S. government agency administered by the Department of Defense (see Defense, United States Department of ). It was established in 1958, in reaction to the successful launch of Sputnik by the USSR, as the Advanced Research Projects Agency. Althou...
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Mercator projection
Mercator projection a projection of a map of the world on to a cylinder in such a way that all the parallels of latitude have the same length as the equator, invented by the Flemish geographer and cartographer Gerardus Mercator (1512–94). It was first published in 1569 and used especially ...
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European Space Agency
European Space Agency (ESA), multinational agency dedicated to the promotion, for exclusively peaceful purposes, of cooperation among European states in space research and technology. Member states include Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, the ...
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cornice
cornice , molded or decorated projection that forms the crowning feature at the top of a building wall or other architectural element; specifically, the uppermost of the three principal members of the classic entablature , hence by extension any similar crowning and projecting element in the decora...
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