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semaphore

(Encyclopedia)CE5 Positions of a railroad semaphore: (A) clear, (B) caution, (C) stop semaphore sĕmˈəfôrˌ [key], device for the visible transmission of messages. The marine semaphore, used by day between s...

geochemistry

(Encyclopedia)geochemistry, study of the chemical changes on the earth. More specifically, it is the study of the absolute and relative abundances of chemical elements in the minerals, soils, ores, rocks, water, an...

Hirohito

(Encyclopedia)Hirohito hērōˈhētō [key], 1901–89, emperor of Japan. He was made regent in 1921 and succeeded his father, Yoshihito (the Taishō emperor), in 1926. He married (1924) Princess Nagako Kuni (1903�...

Jeju

(Encyclopedia)Jeju or Cheju jāˈjo͞o [key], Jap. Saishu, island and province of South Korea (1995 pop. 505,442), c.700 sq mi (1,810 sq km), c.60 mi (100 km) SW of the Korean peninsula. Korea's largest island, Jej...

Dry Tortugas

(Encyclopedia)Dry Tortugas tôrto͞oˈgəz [key], island group in the Gulf of Mexico, off S Fla., 60 mi (97 km) W of Key West. Named by the Spanish explorer Ponce de León in 1513, the islands later became a pirate...

gutta-percha

(Encyclopedia)gutta-percha gŭtˈə-pûrˈchə [key], natural latex obtained from Palaquium gutta and several other evergreen trees of East Asia. The latex, collected by felling or girdling the tree, is allowed to ...

Juan Fernández

(Encyclopedia)Juan Fernández hwän fārnänˈdās [key], group of small islands, S Pacific, c.400 mi (640 km) W of Valparaiso, Chile. They belong to Chile and are constitutionally a special territory; they are adm...

Basescu, Traian

(Encyclopedia)Basescu, Traian trīänˈ bäsĕsˈko͞o [key], 1951–, Romanian political leader, president of Romania (2004–14). An officer in the Romanian merchant marine from 1976, he rose to become an oil-tan...

speedometer

(Encyclopedia)speedometer, instrument that indicates speed. A cable from an automotive speedometer is attached to the rear of the transmission of an automobile; the cable turns at a rate proportional to the speed o...

Black, Hugo LaFayette

(Encyclopedia)Black, Hugo LaFayette, 1886–1971, associate justice of the U.S. Supreme Court (1937–71), b. Harlan, Clay co., Ala. He received his law degree from the Univ. of Alabama in 1906. He practiced law an...