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Valentia

(Encyclopedia) Valentia or ValenciaValentiavəlĕnˈshēə [key], island (1991 pop. 680), c.7 mi (11.3 km) long and 2 mi (3.2 km) wide, off the coast of Co. Kerry, SW Republic of Ireland. Its slate, once…

thyristor

(Encyclopedia) thyristor, semiconductor switch used chiefly in power-control applications. Also called a silicon-controlled rectifier (SCR; see rectifier), it is a variation of the transistor. A…

Santa Cruz, Álvaro de Bazán, marqués de

(Encyclopedia) Santa Cruz, Álvaro de Bazán, marqués deSanta Cruz, Álvaro de Bazán, marqués deälˈvärō ᵺā bäthänˈ märkāsˈ dā sänˈtä kr&oomacr;th [key], 1526–88, Spanish admiral. He fought in…

Salamis, island, Greece

(Encyclopedia) Salamis, island, E Greece, in the Saronic Gulf, W of Athens. It early belonged to Aegina but was later under Athenian control, except for a brief period after it was occupied (c.600 b.…

Nias

(Encyclopedia) NiasNiasnēˈäs [key], volcanic island (1990 pop. 588,543), 1,842 sq mi (4,771 sq km), Indonesia, in the Indian Ocean, off Sumatra. Most of the population are descended from the Niah…

Corregidor

(Encyclopedia) CorregidorCorregidorkərĕˈgĭdôrˌ [key], historic fortified island (c.2 sq mi/5 sq km), at the entrance to Manila Bay, just off Bataan peninsula of Luzon island, the Philippines. From…

Haida

(Encyclopedia) HaidaHaidahīˈdə [key], Native North Americans living primarily on the Queen Charlotte Islands, off British Columbia, and on the southern end of the Prince of Wales Island, off Alaska.…

elephant seal

(Encyclopedia) elephant seal or sea elephant, a true seal of the genus Mirounga. It is the largest of the fin-footed mammals, or pinnipeds, exceeding the walrus in size. There is a northern species,…

Murmansk

(Encyclopedia) MurmanskMurmanskm&oobreve;rmänskˈ [key], city (1989 pop. 468,000), capital of Murmansk region, NW European Russia, on the Kola Gulf of the Barents Sea. It is the terminus of the…

motorcycle

(Encyclopedia) motorcycle, motor vehicle whose design is based on the bicycle. The German inventor Gottlieb Daimler is generally credited with building the first practical motorcycle in 1885. The…