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Stirling engine

(Encyclopedia)Stirling engine, an external combustion reciprocating engine having an enclosed working fluid that is alternately compressed and expanded to operate a piston, thus converting heat from a variety of so...

trench warfare

(Encyclopedia)trench warfare. Although trenches were used in ancient and medieval warfare, in the American Civil War, and in the Russo-Japanese War (1904–5), they did not become important until World War I. The i...

bald cypress

(Encyclopedia)bald cypress, common name for members of the Taxodiaceae, a small family of deciduous or evergreen conifers with needlelike or scalelike leaves and woody cones. Most species of the family are trees of...

Orange, cities, United States

(Encyclopedia)Orange. 1 City (1990 pop. 110,658), Orange co., S Calif.; inc. 1888. Citrus fruits and nuts are packed, processed, and shipped; rubber and plastic products, electronic components, aircraft parts, and ...

Vernon, cities, United States

(Encyclopedia)Vernon. 1 City (1990 pop. 152), Los Angeles co., S Calif., industrial suburb 2 mi (3.2 km) S of downtown Los Angeles; founded and inc. 1905. Vernon has a workforce (c.44,000) that hugely exceeds its f...

stellar evolution

(Encyclopedia)CE5 The above Hertzsprung-Russell (H-R) diagram shows the track of stellar evolution for a typical star. After spending much of its life evolving toward or along the main sequence, the star becomes...

planet

(Encyclopedia)planet [Gr.,=wanderer], a large nonluminous body of rock, gas, or ice that orbits the sun or another star, has a rounded shape due to gravity, and has cleared its orbit of smaller objects. The term, o...

automobile

(Encyclopedia)CE5 Automobile chassis CE5 Two views of a six-cylinder automobile engine automobile, self-propelled vehicle used for travel on land. The term is commonly applied to a four-wheeled vehicle desig...

dwarf planet

(Encyclopedia)dwarf planet, a nonluminous body of rock or gas that orbits the sun and has a rounded shape due to its gravity. Unlike a planet, a dwarf planet is not capable of clearing its orbit of smaller objects ...

Edmonton

(Encyclopedia)Edmonton ĕdˈməntən [key], city, provincial capital, central Alta., Canada, on the North S...