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tanzanite

(Encyclopedia)tanzanite tănzănˈīt [key], beautiful gemstone discovered in 1967 in the Umba Valley near the Usambara Mts. in Tanzania, a precious variety of the mineral zoisite, a calcium aluminum silicate. Zois...

cattail

(Encyclopedia)cattail or reed mace, any plant of the genus Typha, perennial herbs found in almost all open marshes. The cattail (also called club rush) has long narrow leaves, sometimes used for weaving chair seats...

cassiterite

(Encyclopedia)cassiterite kəsĭtˈərīt [key], heavy, brown-to-black mineral, tin oxide, SnO2, crystallizing in the tetragonal system. It is found as short prismatic crystals and as irregular masses, usually in v...

John XXII, pope

(Encyclopedia)John XXII, 1244–1334, pope (1316–34), a Frenchman (b. Cahors) named Jacques Duèse; successor of Clement V. Formerly, he was often called John XXI. He reigned at Avignon. John was celebrated as a ...

May, Elaine

(Encyclopedia) May, Elaine, 1932-, American actress, film director, and writer, b. Philadelphia, Pa., as Elaine Iva Berlin. May’s parents were both actors; her fat...

Lefèvre d'Étaples, Jacques

(Encyclopedia)Lefèvre d'Étaples, Jacques zhäk ləfăvˈrə dātäpˈlə [key], c.1450–1536, French theologian and humanist. A priest, he studied in Italy, where he was influenced by Neoplatonism. In 1507, he w...

Vatican Library

(Encyclopedia)Vatican Library or Vatican Apostolic Library, in Rome, founded in the 4th cent. but dormant until given new life in the 15th cent. by Pope Nicholas V. It is the oldest public library in Europe and one...

Poltava

(Encyclopedia)Poltava pəltäˈvə [key], city (1989 pop. 315,000), capital of Poltava region, E Ukraine, on the Kiev-Kharkiv highway and on the Vorskla River, a tributary of the Dnieper. It is an industrial center...

bat

(Encyclopedia)bat, winged mammal of the order Chiroptera, which includes 900–1,000 species classified in about 200 genera and 17 families. Bats range in size from a wingspread of over 5 ft (150 cm) to a wingsprea...

Hawkes, John

(Encyclopedia)Hawkes, John (John Clendennin Burne Hawkes, Jr.), 1925–98, American writer, b. Stamford, Conn., grad. Harvard, 1949. He taught English at Brown Univ. after 1958. Hawkes is considered one of the most...