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Pasternak, Boris Leonidovich

(Encyclopedia)Pasternak, Boris Leonidovich păsˈtərnăkˌ, Rus. bərēsˈ lyāˌənyēˈdəvĭch pəstyĭrnäkˈ [key], 1890–1960, Russian poet and translator. Pasternak became an international symbol of the in...

public health

(Encyclopedia)public health, field of medicine and hygiene dealing with the prevention of disease and the promotion of health by government agencies. In the United States, public health authorities are engaged in m...

sperm whale

(Encyclopedia)sperm whale, largest of the toothed whales, Physeter catodon, found in the Atlantic and Pacific oceans. It is also called cachalot. Male sperm whales may grow to more than 70 ft (21 m) long and female...

Bolaño, Roberto

(Encyclopedia)Bolaño, Roberto bōlänˈyō [key], 1953–2003, Chilean novelist widely regarded as the most influential Spanish-language writer of his generation. He led a peripatetic life, and his fictional prota...

Buddha

(Encyclopedia)Buddha bo͞oˈdə, bo͝o– [key] [Skt.,=the enlightened One], usual title given to the founder of Buddhism. He is also called the Tathagata [he who has come thus], Bhagavat [the Lord], and Sugata [we...

atomic weight

(Encyclopedia)atomic weight, mean (weighted average) of the masses of all the naturally occurring isotopes of a chemical element, as contrasted with atomic mass, which is the mass of any individual isotope. Althoug...

steamship

(Encyclopedia)steamship, watercraft propelled by a steam engine or a steam turbine. Despite such innovations as turbo-electric drive, which converts steam energy into rotational power for turning the propeller...

whale

(Encyclopedia)whale, aquatic mammal of the order Cetacea, found in all oceans of the world. Members of this order vary greatly in size and include the largest animals that have ever lived. Cetaceans never leave the...

metric system

(Encyclopedia)CE5 metric system, system of weights and measures planned in France and adopted there in 1799; it has since been adopted by most of the technologically developed countries of the world. It is based...

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 ...

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