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Angkor

(Encyclopedia)Angkor ăngˈkôr [key], site of several capitals of the Khmer Empire, north of Tônlé Sap, NW Cambodia, for about five and a half centuries (9th to 15th), the heart of the empire. Extending over an ...

patristic literature

(Encyclopedia)patristic literature, Christian writings of the first few centuries. They are chiefly in Greek and Latin; there is analogous writing in Syriac and in Armenian. The first period of patristic literature...

balloon

(Encyclopedia)balloon, lighter-than-air craft without a propulsion system, lifted by inflation of one or more containers with a gas lighter than air or with heated air. During flight, altitude may be gained by disc...

cat

(Encyclopedia)cat, name applied broadly to the carnivorous mammals constituting the family Felidae, and specifically to the domestic cat, Felis catus. The great roaring cats, the lion, tiger, and leopard are anatom...

Bolívar, Simón

(Encyclopedia)Bolívar, Simón sēmōnˈ bōlēˈvär [key], 1783–1830, South American revolutionary who led independence wars in the present nations of Venezuela, Colombia, Panama, Ecuador, Peru, and Bolivia. ...

Missouri, river, United States

(Encyclopedia)Missouri, river, c.2,565 mi (4,130 km) long (including its Jefferson-Beaverhead-Red Rock headstream), the longest river of the United States and the principal tributary of the Mississippi River. The l...

mountain climbing

(Encyclopedia)mountain climbing, the practice of climbing to elevated points for sport, pleasure, or research. Also called mountaineering, it is practiced throughout the world. Many mountain climbing clubs have...

French architecture

(Encyclopedia)French architecture, structures created in the area of Europe that is now France. Engineers and architects, including François Hennebique, Auguste Perret, and Tony Garnier, pioneered the use of rei...

diving, deep-sea

(Encyclopedia)diving, deep-sea, act of descending into deep water, generally with some form of breathing apparatus, and remaining there for an extended period. It is used in fishing for sponges, coral, and pearls; ...

exploration

(Encyclopedia)exploration, travel to a part of the earth that is relatively unknown to the traveler's culture, historically often motivated by a desire for colonization, conquest, or trade. See also space explorati...