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Khabarovsk

(Encyclopedia)Khabarovsk khəbäˈrəfsk, khəbərôfskˈ [key], city (1989 pop. 601,000), capital of Khabarovsk Territory and the administrative center of the Far Eastern federal district, Russian Far East, on the...

Hiller, Stanley, Jr.

(Encyclopedia)Hiller, Stanley, Jr., 1924–2006, American aeronautical engineer and business executive, b. San Francisco. At 12 years old, he designed and produced gas-propelled toy cars, a business that led to the...

Healey, Denis Winston Healey, Baron

(Encyclopedia)Healey, Denis Winston Healey, Baron, 1917–2015, British political leader, grad. Oxford (1940). He served in the British army (1940–45), then joined the Labour party and began a long career in parl...

Hagerstown

(Encyclopedia)Hagerstown hāˈgərztounˌ [key], city (2020 pop. 43,527), seat of Washington co., NW Md., on ...

Derby, city, United States

(Encyclopedia)Derby dûrˈbē [key]. <1> city (2020 pop. 12,325), New Haven co., SW Conn., at the con...

Dessau

(Encyclopedia)Dessau, city, Saxony-Anhalt, E Germany, at the confluence of the Elbe and Mulde rivers. It is an industrial city, river port, and rail and road transpor...

air traffic control

(Encyclopedia)air traffic control, the system by which airplanes are safely routed into and out of major airports. Air traffic control in the United States is centered in a number of regional control centers that r...

Santos-Dumont, Alberto

(Encyclopedia)Santos-Dumont, Alberto älbĕrˈto͝o sänˈto͝ozh-dümôNˈ [key], 1873–1932, Brazilian aeronaut. The son of a wealthy coffee grower, he was a flamboyant bon vivant and lived in France from 1891 t...

radiosonde

(Encyclopedia)radiosonde rāˈdēōsŏnd [key], group of instruments for simultaneous measurement and radio transmission of meteorological data, including temperature, pressure, and humidity of the atmosphere. The ...

Yeager, Chuck

(Encyclopedia)Yeager, Chuck (Charles Elwood Yeager) yāˈgər [key], 1923–2020, American aviator, b. Myra, W.Va. An ace fighter pilot during World War II, he was a military test pilot during the early postwar yea...