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Brewer's: Accurate

Ac′curate means well and carefully done. (Latin, ad-curare, accuratus.) Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894AccusativeAccount A B C D E F G H I J K L…

Accurate Mechanical Clocks

Source: National Institute of Standards and Technology Physics Laboratory Pendulum ClocksQuartz Clocks In Europe during most of the Middle Ages (roughly 500 to 1500 A.D.), technological…

Stas, Jean Servais

(Encyclopedia) Stas, Jean ServaisStas, Jean ServaiszhäNˈ sĕrvāˈ stäs [key], 1813–91, Belgian chemist. He was assistant to J. B. A. Dumas and professor (1840–65) at the École royale militaire,…

atomic clock

(Encyclopedia) atomic clock, electric or electronic timekeeping device that is controlled by atomic or molecular oscillations. A timekeeping device must contain or be connected to some apparatus that…

air navigation

(Encyclopedia) air navigation, science and technology of determining the position of an aircraft with respect to the surface of the earth and accurately maintaining a desired course (see navigation…

Meiningen Players

(Encyclopedia) Meiningen Players, German theatrical company that toured Europe from 1874 to 1890. The group, inspiring theatrical reforms wherever it performed, was a major influence in the movement…

Delisle, Guillaume

(Encyclopedia) Delisle, GuillaumeDelisle, Guillaumegēyōmˈ dəlēlˈ [key], 1675–1726, French geographer and cartographer. His most important work is a world map (1700), as accurate as the data available…

die-casting

(Encyclopedia) die-casting, process by which molten metal is forced by a plunger or compressed air into a metallic die and the pressure maintained until the metal has solidified. Die castings are…

Dandy, Walter Edward

(Encyclopedia) Dandy, Walter Edward, 1886–1946, American neurosurgeon. Having studied with Harvey Cushing at Johns Hopkins, Dandy soon made himself a notable figure in the developing specialty of…