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Antananarivo

(Encyclopedia)Antananarivo tänänärēvˈ [key], city (2021 metro. area pop. 3,531,887), capital of Madagascar. Antananarivo is Madagascar's largest city and is its administrative, com...

altazimuth coordinate system

(Encyclopedia)altazimuth coordinate system ăltăzˈəməth [key] or horizon coordinate system, astronomical coordinate system in which the position of a body on the celestial sphere is described relative to an obs...

Odessa, city, Ukraine

(Encyclopedia)Odessa , Rus. ədyĕˈsə [key], Ukr. Odesa, city (1989 pop. 1,115,000), capital of Odessa region, in Ukraine, a port on Odessa Bay of the Black Sea. The third largest Ukrainian city after Kiev and Kh...

Damrosch, Frank Heino

(Encyclopedia)Damrosch, Frank Heino hīˈnō dămˈrŏsh [key], 1859–1937, German-American conductor and educator, attended the College of the City of New York; son of Leopold Damrosch. In 1885, after a few years...

governor, in government

(Encyclopedia)governor, chief executive of a dependent or component unit in a political system. In the United States, a governor is the chief executive of each state and is elected by the people of the state. In th...

joule

(Encyclopedia)joule jo͞ol, joul [key], abbr. J, unit of work or energy in the mks system of units, which is based on the metric system; it is the work done or energy expended by a force of 1 newton acting through ...

Lambert, Johann Heinrich

(Encyclopedia)Lambert, Johann Heinrich yōˈhän hīnˈrĭkh lämˈbĕrt [key], 1728–77, German-French philosopher and scientist, b. Alsace. He developed many basic concepts in mathematics, including that of the ...

volt

(Encyclopedia)volt [for Alessandro Volta], abbr. V, unit of electric potential and electromotive force. It is defined as the difference of electric potential existing across the ends of a conductor carrying a const...

Siemens, Ernst Werner von

(Encyclopedia)Siemens, Ernst Werner von ĕrnst vĕrˈnər fən zēˈməns [key], 1816–92, German electrical engineer and inventor. He was a founder and director of Siemens and Halske, a firm that made electrical ...

Point Four program

(Encyclopedia)Point Four program, U.S. foreign aid project aimed at providing technological skills, knowledge, and equipment to poor nations throughout the world. The program also encouraged the flow of private inv...