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chrysoberyl

(Encyclopedia)chrysoberyl krĭsˈəbĕrˌĭl [key] [Gr.,=golden beryl], a beryllium aluminate used as a gem. It has a vitreous luster and is transparent to translucent. The more valuable cat's-eye is a variety of c...

Ferdinand, king of Romania

(Encyclopedia)Ferdinand, 1865–1927, king of Romania (1914–27), nephew of Carol I. The second son of the Prussian prince, Leopold of Hohenzollern-Sigmaringen, he was designated successor to the heirless Carol I ...

Arakcheyev, Aleksey Andreyevich

(Encyclopedia)Arakcheyev, Aleksey Andreyevich əlĭksyāˈ əndrāˈyəvĭch äräkchāˈyĕf [key], 1769–1834, Russian general, adviser to Czar Alexander I. An exacting officer, he helped organize the bodyguard ...

Feodor I

(Encyclopedia)Feodor I (Feodor Ivanovich) fyôˈdər, ēväˈnəvĭch [key], 1557–98, czar of Russia (1584–98), son of Ivan IV (Ivan the Terrible). Weak and incompetent, he left the government in the hands of h...

Dvina, river, Russia, Belarus, and Latvia

(Encyclopedia)Dvina or Western Dvina, Ger. Düna, Latvian Daugava, Rus. Zapadnaya Dvina, river, c.635 mi (1,020 km) long, in Russia, Belarus, and Latvia. Rising in the Valdai Hills, it flows S and then generally W ...

Nicholas, Russian grand duke

(Encyclopedia)Nicholas (Nikolai Nikolayevich) nyĭkəlīˈ nyĭkəlīˈəvĭch [key], 1856–1929, Russian grand duke and army officer; first cousin of Czar Alexander III and grandson of Czar Nicholas I. He served ...

Hermitage, museum, St. Petersburg, Russia

(Encyclopedia)Hermitage ĕrˌmētäzhˈ [key], museum in St. Petersburg, Russia, one of the world's foremost houses of art, consisting of six buildings along the embankment of the Neva River. Its central building, ...

Dmitri

(Encyclopedia)Dmitri dĭmēˈtrēəs [key], 1582–91, czarevich, son of Ivan IV (Ivan the Terrible) of Russia. His brother, Feodor I, succeeded Ivan in 1584, but Boris Godunov actually ruled Russia for the period ...

Petropavlovsk, city, Russia

(Encyclopedia)Petropavlovsk kəmchätˈskē [key], city (1989 pop. 269,000), capital of Kamchatka Territory, Russian Far East. It is a major port and naval base on the Northern Sea Route, and there are shipyards an...

Ivan VI

(Encyclopedia)Ivan VI, 1740–64, czar of Russia (1740–41), great-grandson of Ivan V. He was the son of Prince Anthony Ulric of Brunswick-Wolfenbüttel and of Anna Leopoldovna. An infant, he succeeded his great-a...