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emerald

(Encyclopedia)emerald, the green variety of beryl, of which aquamarine is the blue variety. Chemically, it is a beryllium-aluminum silicate whose color is due to small quantities of chromium compounds. The emerald ...

Navarino, battle of

(Encyclopedia)Navarino, battle of nävärēˈnō [key], 1827, naval battle resulting from the intervention of the European powers in the Greek War of Independence from the Ottoman Empire (Turkey). England, France, ...

Lucian

(Encyclopedia)Lucian lo͞oˈshən [key], b. c.120, d. after 180, Greek writer, also called Lucianus, b. Samosata, Syria. In late life he held a government position in Egypt. Lucian wrote an easy, masterly Attic pro...

Mansa Musa

(Encyclopedia)Mansa Musa (Musa I) mänˈsä mo͞oˈsä [key], c.1280–1337, ruler of the Mali empire (1312–37). A devout Muslim, he brought the Mali empire to its greatest height, encompassing what is now Niger ...

Volney, Constantin François de Chassebœuf, comte de

(Encyclopedia)Volney, Constantin François de Chassebœuf, comte de kôNstäNtăNˈ fräNswäˈ də shäsböfˈ kôNt də vôlnāˈ [key], 1757–1820, French scholar. He traveled in Egypt and Syria in the 1780s an...

Afghan hound

(Encyclopedia)Afghan hound ăfˈgăn [key], breed of tall, swift hound originating about 5,000 years ago in ancient Egypt. Its modern ancestors were perfected in the northern part of Afghanistan and introduced into...

Slatin, Rudolf Carl, Freiherr von

(Encyclopedia)Slatin, Rudolf Carl, Freiherr von päˈshä [key], 1857–1932, Austrian adventurer in British and Egyptian service. Called to Egypt by C. G. Gordon, Slatin became governor of Dara (1879) and governor...

Thutmose II

(Encyclopedia)Thutmose II thŏthˈmēz, tōtˈmĕs [key], reigned c.1495–1490 b.c., king of ancient Egypt, fourth ruler of the XVIII dynasty and the son and successor of Thutmose I. Unlike Hatshepsut, his half-si...

Seleucus II

(Encyclopedia)Seleucus II (Seleucus Callinicus), d. 226 b.c., king of ancient Syria (247–226 b.c.), son of Antiochus II. On his father's death there was a struggle for the throne between Seleucus and his stepmoth...

Sennar

(Encyclopedia)Sennar – [key], town, SE Sudan, on the Blue Nile. It was the capital of the Muslim kingdom of Sennar, traditionally known as the “Black Sultanate,” which was founded in the 16th cent. Under its ...