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Portland, cities, United States

(Encyclopedia)Portland. 1 City (1990 pop. 64,358), seat of Cumberland co., SW Maine, situated on a small peninsula and adjacent land, with a large, deepwater harbor on Casco Bay; settled c.1632, set off from Falmou...

Perón, Juan Domingo

(Encyclopedia)Perón, Juan Domingo hwän dōmēngˈgō pĕrōnˈ [key], 1895–1974, president of Argentina (1946–55; 1973–74). In 1971, President Lanusse, convinced that political order could not be achieve...

Industrial Revolution

(Encyclopedia)Industrial Revolution, term usually applied to the social and economic changes that mark the transition from a stable agricultural and commercial society to a modern industrial society relying on comp...

South Dakota

(Encyclopedia)CE5 South Dakota dəkōˈtə [key], state in the N central United States. It is bordered by North Dakota (N), Minnesota and Iowa (E), Nebraska (S), and Wyoming and Montana (W). ...

heat

(Encyclopedia)heat, nonmechanical energy in transit, associated with differences in temperature between a system and its surroundings or between parts of the same system. The study of heat and its relationship ...

dentistry

(Encyclopedia)dentistry, treatment and care of the teeth and associated oral structures. Dentistry is mainly concerned with tooth decay, disease of the supporting structures, such as the gums, and faulty positionin...

communications industry

(Encyclopedia)communications industry, broadly defined, the business of conveying information. Although communication by means of symbols and gestures dates to the beginning of human history, the term generally ref...

foundation

(Encyclopedia)foundation, institution through which private wealth is contributed and distributed for public purpose. Foundations have existed since Greek and Roman times, when they honored deities. During the Midd...

Indian Mutiny

(Encyclopedia)Indian Mutiny, 1857–58, revolt that began with Indian soldiers in the Bengal army of the British East India Company but developed into a widespread uprising against British rule in India. It is also...

infancy

(Encyclopedia)infancy, stage of human development lasting from birth to approximately two years of age. The hallmarks of infancy are physical growth, motor development, vocal development, and cognitive and social d...