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tank, military
(Encyclopedia)tank, military, armored vehicle having caterpillar traction and armed with machine guns, cannon, rockets, or flame throwers. The tank, together with the airplane, opened up modern warfare, which had b...Fuller, John Frederick Charles
(Encyclopedia)Fuller, John Frederick Charles, 1878–1966, British soldier. In World War I, he recognized the importance of mechanized warfare and, as general staff officer of the tank corps, planned the stunning t...septic tank
(Encyclopedia)septic tank, underground sedimentation tank in which sewage is retained for a short period while it is decomposed and purified by bacterial action. The organic matter in the sewage settles to the bott...Patton, George Smith, Jr.
(Encyclopedia)Patton, George Smith, Jr., 1885–1945, American general, b. San Gabriel, Calif. A graduate of West Point (1909), he served in World War I and was wounded while commanding a tank brigade in France. Su...Imhoff tank
(Encyclopedia)Imhoff tank: see septic tank.leaching
(Encyclopedia)leaching, method of extraction in which a solvent is passed through a mixture to remove some desired substance from it. A simple example is the passage of boiling water through ground coffee to dissol...Abrams, Creighton Williams
(Encyclopedia)Abrams, Creighton Williams āˈbrəmz [key], 1914–74, U.S. military officer, b. Springfield, Mass. After graduating (1936) from West Point, he served with distinction during World War II, most notab...Bayer process
(Encyclopedia)Bayer process, procedure for obtaining alumina from the aluminum ore bauxite. The alumina can then be used for various industrial purposes or smelted to provide aluminum. The first step in the process...armor
(Encyclopedia)armor, apparatus for defense of persons, horses, and such objects as vehicles, naval vessels, and aircraft. Body armor developed early as protective suits made of such materials as leather, shells, wo...resuscitator
(Encyclopedia)resuscitator rĭsŭsˈĭtāˌtər [key], device used to revive a person whose normal breathing has been disrupted. Several types are in wide use. The automatic tank resuscitator consists of a face mas...Browse by Subject
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