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pitot static system

(Encyclopedia)pitot static system pētōˈ [key], device for measuring the rate at which a fluid flows. Among the principal applications of the device are an airspeed indicator for aircraft and a distance and speed...

ring, mathematical system

(Encyclopedia)ring, in mathematics, system consisting of a set R of elements and two binary operations, such that addition makes R a commutative group and multiplication is associative and distributes over addition...

Thompson, William Boyce

(Encyclopedia)Thompson, William Boyce, 1869–1930, American financier, b. Virginia City, Mont. He operated silver and copper mines in Montana and Arizona before moving to New York City. He was (1914–19) a direct...

Kruger National Park

(Encyclopedia)Kruger National Park, game reserve, c.8,000 sq mi (20,720 sq km), Limpopo and Mpumalanga, NE South Africa. One of the world's largest wildlife sanctuaries, it has almost every species of game found in...

fiat money

(Encyclopedia)fiat money fīˈət, fīˈăt [key], inconvertible money that is made legal tender by the decree, or fiat, of the government but that is not covered by a specie reserve. It is commonly understood to b...

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