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Fibonacci, Leonardo

(Encyclopedia)Fibonacci, Leonardo lāōnärˈdō fēbōnätˈchē [key], b. c.1170, d. after 1240, Italian mathematician, known also as Leonardo da Pisa. In Liber abaci (1202, 2d ed. 1228), for centuries a standard...

Amalric of Bena

(Encyclopedia)Amalric of Bena bēˈnə [key], d. 1207?, French professor of philosophy. He taught heretical precepts concerning God, a pantheistic universe, and a progressive Trinity. Before he died, he publicly re...

Hula, Lake

(Encyclopedia)Hula, Lake, or Lake Huleh both: ho͞oˈlā [key], Arabic Bahr al Hulah, near sea-level lake formed by a natural dam of basalt, NE Israel; the Jordan River exits from its southern end. In ancient times...

gum, colloidal plant substance

(Encyclopedia)gum, term commonly applied to any of a wide variety of colloidal substances somewhat similar in appearance and general characteristics, exuded by or extracted from plants. In this classification, howe...

Esperanto

(Encyclopedia)Esperanto ĕspəränˈtō [key], an artificial language introduced in 1887 and intended by its inventor, Dr. Ludwik Lejzer Zamenhof (1859–1917), a Polish oculist and linguist, to ease communication ...

Catalan language

(Encyclopedia)Catalan language, member of the Romance group of the Italic subfamily of the Indo-European family of languages. It is spoken by about 8 million people in Catalonia, Valencia, the Balearic Islands, and...

pidgin

(Encyclopedia)pidgin pĭjˈən [key], a lingua franca that is not the mother tongue of anyone using it and that has a simplified grammar and a restricted, often polyglot vocabulary. The earliest documented pidgin i...

Hariri

(Encyclopedia)Hariri (Abu Muhammad al-Kasim al-Hariri) härēˈrē [key], 1054–1122, Arab writer of Basra. His principal work is one of the most popular of Arabic books. It is called Makamat [literary assemblies]...