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Gatchina

(Encyclopedia) GatchinaGatchinagäˈchēnə [key], city (1989 pop. 80,000), NW European Russia. The city developed around the imperial palace (built 1766–81), which was used as a summer residence by Paul…

Hitachi

(Encyclopedia) Hitachi Hitachi hētäˈchē [key], city, Ibaraki prefecture, E central Honshu, Japan, on the Kashima…

Dothan, city, United States

(Encyclopedia) Dothan Dothan dōˈthən [key], city (2020 pop. 71,072), seat of Houston co., SE Ala., near the…

Woomera

(Encyclopedia) WoomeraWoomeraw&oomacr;ˈmərə [key], village (2016 pop. 146), South Australia, S Australia, near Lake Torrens. It is located within the large Woomera Range Complex, which includes…

Savannah, river, United States

(Encyclopedia) Savannah, river, 314 mi (505 km) long, formed by the confluence of the Tugaloo and Seneca rivers and flowing SE to the Atlantic Ocean; with the Tugaloo it forms the entire S.C.–Ga.…

civil defense

(Encyclopedia) civil defense, nonmilitary activities designed to protect civilians and their property from enemy actions in time of war. A civil defense program usually includes measures taken during…

Vajpayee, Atal Bihari

(Encyclopedia) Vajpayee, Atal BihariVajpayee, Atal Bihariäˈtäl bihärˈē väjˈpīˌ [key], 1926–2018, Indian politician, prime minister of India (1996, 1998–2004). He began his career as a journalist,…

Chernobyl

(Encyclopedia) ChernobylChernobylchĭrnōˈbyēl [key], Ukr. Chornobyl, abandoned city, N Ukraine, near the Belarus border, on the Pripyat River. Ten miles (16 km) to the north, in the town of Pripyat,…

uranium

(Encyclopedia) uraniumuraniumy&oomacr;rāˈnēəm [key], radioactive metallic chemical element; symbol U; at. no. 92; mass number of most stable isotope 238; m.p. 1,132℃; b.p. 3,818℃; sp. gr. 19.1 at…

inorganic chemistry

(Encyclopedia) inorganic chemistry, the study of all the elements and their compounds with the exception of carbon and its compounds, which fall under the category of organic chemistry. Inorganic…